abametapir will increase the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Avoid or Use Alternate Drug. For 2 weeks after abametapir application, avoid taking drugs that are CYP3A4 substrates. If not feasible, avoid use of abametapir.
amyl nitrite, tadalafil. Mechanism: additive vasodilation. Avoid or Use Alternate Drug. Contraindicated. Potentially fatal hypotension. Allow 48h after last tadalafil dose before nitrate administration.
apalutamide will decrease the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Avoid or Use Alternate Drug. Coadministration of apalutamide, a strong CYP3A4 inducer, with drugs that are CYP3A4 substrates can result in lower exposure to these medications. Avoid or substitute another drug for these medications when possible. Evaluate for loss of therapeutic effect if medication must be coadministered. Adjust dose according to prescribing information if needed.
atazanavir will increase the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Avoid or Use Alternate Drug. Stop tadalafil >24 hours prior to protease inhibitor (PI) initiation, restart 7 days after PI initiation at 20 mg once daily, and increase to 40 mg once daily based on tolerability.
clarithromycin will increase the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Avoid or Use Alternate Drug. For ED limit tadalafil to max of 2.5 mg/day (for daily use) or 10 mg dose every 72 hr (for use as needed). Avoid concurrent use of tadalafil for pulmonary HTN in patients taking strong CYP3A4 inhibitors.
cobicistat will increase the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Avoid or Use Alternate Drug. Adjust tadalafil dose for PAH; if on cobicistat, start tadalafil 20 mg/day and may increase up to 40 mg/day; avoid tadalafil when starting cobicistat; for ED, may take a single dose of tadalafil not exceeding 10 mg in 72 hr.
darunavir will increase the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Avoid or Use Alternate Drug. Adjust tadalafil dose for PAH; if on cobicistat, start tadalafil 20 mg/day and may increase up to 40 mg/day; avoid tadalafil when starting cobicistat; for ED, may take a single dose of tadalafil not exceeding 10 mg in 72 hr.
enzalutamide will decrease the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Avoid or Use Alternate Drug.
erythromycin base will increase the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Avoid or Use Alternate Drug. For ED limit tadalafil to max of 2.5 mg/day (for daily use) or 10 mg dose every 72 hr (for use as needed). Avoid concurrent use of tadalafil for pulmonary HTN in patients taking strong CYP3A4 inhibitors.
erythromycin ethylsuccinate will increase the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Avoid or Use Alternate Drug. For ED limit tadalafil to max of 2.5 mg/day (for daily use) or 10 mg dose every 72 hr (for use as needed). Avoid concurrent use of tadalafil for pulmonary HTN in patients taking strong CYP3A4 inhibitors.
erythromycin lactobionate will increase the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Avoid or Use Alternate Drug. For ED limit tadalafil to max of 2.5 mg/day (for daily use) or 10 mg dose every 72 hr (for use as needed). Avoid concurrent use of tadalafil for pulmonary HTN in patients taking strong CYP3A4 inhibitors.
erythromycin stearate will increase the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Avoid or Use Alternate Drug. For ED limit tadalafil to max of 2.5 mg/day (for daily use) or 10 mg dose every 72 hr (for use as needed). Avoid concurrent use of tadalafil for pulmonary HTN in patients taking strong CYP3A4 inhibitors.
fexinidazole will increase the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Avoid or Use Alternate Drug. Fexinidazole inhibits CYP3A4. Coadministration may increase risk for adverse effects of CYP3A4 substrates.
fosamprenavir will increase the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Avoid or Use Alternate Drug. Stop tadalafil >24 hours prior to protease inhibitor (PI) initiation, restart 7 days after PI initiation at 20 mg once daily, and increase to 40 mg once daily based on tolerability.
idelalisib will increase the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Avoid or Use Alternate Drug. Idelalisib is a strong CYP3A inhibitor; avoid coadministration with sensitive CYP3A substrates
indinavir will increase the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Avoid or Use Alternate Drug. Stop tadalafil >24 hours prior to protease inhibitor (PI) initiation, restart 7 days after PI initiation at 20 mg once daily, and increase to 40 mg once daily based on tolerability.
itraconazole will increase the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Avoid or Use Alternate Drug. For ED limit tadalafil to max of 2.5 mg/day (for daily use) or 10 mg dose every 72 hr (for use as needed). Avoid concurrent use of tadalafil for pulmonary HTN in patients taking strong CYP3A4 inhibitors.
ketoconazole will increase the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Avoid or Use Alternate Drug. CYP3A4 inhibitors may reduce tadalafil clearance increasing systemic exposure to tadalafil; significantly increased levels may result in significant adverse events including severe hypotension, syncope, visual changes, and priapism.
levoketoconazole will increase the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Avoid or Use Alternate Drug. CYP3A4 inhibitors may reduce tadalafil clearance increasing systemic exposure to tadalafil; significantly increased levels may result in significant adverse events including severe hypotension, syncope, visual changes, and priapism.
lonafarnib will increase the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Avoid or Use Alternate Drug. Avoid coadministration with sensitive CYP3A substrates. If coadministration unavoidable, monitor for adverse reactions and reduce CYP3A substrate dose in accordance with product labeling.
lopinavir will increase the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Avoid or Use Alternate Drug. CYP3A4 inhibitors may reduce tadalafil clearance increasing systemic exposure to tadalafil; significantly increased levels may result in significant adverse events including severe hypotension, syncope, visual changes, and priapism.
nelfinavir will increase the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Avoid or Use Alternate Drug. Stop tadalafil >24 hours prior to protease inhibitor (PI) initiation, restart 7 days after PI initiation at 20 mg once daily, and increase to 40 mg once daily based on tolerability.
nicardipine will increase the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Avoid or Use Alternate Drug. CYP3A4 inhibitors may reduce tadalafil clearance increasing systemic exposure to tadalafil; significantly increased levels may result in significant adverse events including severe hypotension, syncope, visual changes, and priapism.
nirmatrelvir/ritonavir will increase the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Avoid or Use Alternate Drug. Avoid coadministration if tadalafil used for pulmonary arterial hpertension. Reduce tadalafil dose if used for erectile dysfunction.
ritonavir will increase the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Avoid or Use Alternate Drug. Stop tadalafil >24 hours prior to protease inhibitor (PI) initiation, restart 7 days after PI initiation at 20 mg once daily, and increase to 40 mg once daily based on tolerability.
tucatinib will increase the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Avoid or Use Alternate Drug. Avoid concomitant use of tucatinib with CYP3A substrates, where minimal concentration changes may lead to serious or life-threatening toxicities. If unavoidable, reduce CYP3A substrate dose according to product labeling.
voxelotor will increase the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Avoid or Use Alternate Drug. Voxelotor increases systemic exposure of sensitive CYP3A4 substrates. Avoid coadministration with sensitive CYP3A4 substrates with a narrow therapeutic index. Consider dose reduction of the sensitive CYP3A4 substrate(s) if unable to avoid.
tadalafil increases effects of acebutolol by pharmacodynamic synergism. Use Caution/Monitor. Risk of hypotension.
tadalafil increases effects of acetazolamide by pharmacodynamic synergism. Use Caution/Monitor. Risk of hypotension.
tadalafil increases effects of alfuzosin by pharmacodynamic synergism. Use Caution/Monitor. Risk of hypotension.
tadalafil increases effects of aliskiren by pharmacodynamic synergism. Use Caution/Monitor. Risk of hypotension.
amifostine, tadalafil.Either increases effects of the other by pharmacodynamic synergism. Use Caution/Monitor. Monitor blood pressure response to phosphodiesterase type 5 (PDE5) inhibitors in patients receiving concurrent blood pressure lowering therapy.
tadalafil increases effects of amiloride by pharmacodynamic synergism. Use Caution/Monitor. Risk of hypotension.
amiodarone will increase the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Modify Therapy/Monitor Closely. CYP3A4 inhibitors may reduce tadalafil clearance increasing systemic exposure to tadalafil; increased levels may result in increased associated adverse events.
tadalafil increases effects of amlodipine by pharmacodynamic synergism. Use Caution/Monitor. Risk of hypotension.
amobarbital will decrease the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.
aprepitant will increase the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.
armodafinil will decrease the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.
artemether/lumefantrine will decrease the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.
tadalafil increases effects of asenapine by pharmacodynamic synergism. Use Caution/Monitor. Risk of hypotension.
atazanavir increases levels of tadalafil by decreasing metabolism. Use Caution/Monitor. Stop tadalafil >24 hours prior to protease inhibitor (PI) initiation, restart 7 days after PI initiation at 20 mg once daily, and increase to 40 mg once daily based on tolerability.
tadalafil increases effects of atenolol by pharmacodynamic synergism. Use Caution/Monitor. Risk of hypotension.
tadalafil increases effects of azilsartan by pharmacodynamic synergism. Use Caution/Monitor. Risk of hypotension.
tadalafil increases effects of benazepril by pharmacodynamic synergism. Use Caution/Monitor. Risk of hypotension.
tadalafil increases effects of betaxolol by pharmacodynamic synergism. Use Caution/Monitor. Risk of hypotension.
bicalutamide will increase the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor. CYP3A4 inhibitors may reduce tadalafil clearance increasing systemic exposure to tadalafil; increased levels may result in increased associated adverse events.
tadalafil increases effects of bisoprolol by pharmacodynamic synergism. Use Caution/Monitor. Risk of hypotension.
bosentan will decrease the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.
budesonide will decrease the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.
tadalafil increases effects of bumetanide by pharmacodynamic synergism. Use Caution/Monitor. Risk of hypotension.
butabarbital will decrease the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor. Avoid combination in pulmonary HTN patients. For patients with ED, monitor response to tadalafil carefully because of potential for decreased effectiveness.
butalbital will decrease the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.
tadalafil increases effects of candesartan by pharmacodynamic synergism. Use Caution/Monitor. Risk of hypotension.
tadalafil increases effects of captopril by pharmacodynamic synergism. Use Caution/Monitor. Risk of hypotension.
carbamazepine will decrease the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor. Avoid combination in pulmonary HTN patients. For patients with ED, monitor response to tadalafil carefully because of potential for decreased effectiveness.
tadalafil increases effects of carvedilol by pharmacodynamic synergism. Use Caution/Monitor. Risk of hypotension.
cenobamate will decrease the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Modify Therapy/Monitor Closely. Increase dose of CYP3A4 substrate, as needed, when coadministered with cenobamate.
tadalafil increases effects of chlorthalidone by pharmacodynamic synergism. Use Caution/Monitor. Risk of hypotension.
cimetidine will increase the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.
tadalafil increases effects of clevidipine by pharmacodynamic synergism. Use Caution/Monitor. Risk of hypotension.
tadalafil increases effects of clonidine by pharmacodynamic synergism. Use Caution/Monitor. Risk of hypotension.
clotrimazole will increase the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor. CYP3A4 inhibitors may reduce tadalafil clearance increasing systemic exposure to tadalafil; increased levels may result in increased associated adverse events.
conivaptan will increase the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor. For ED limit tadalafil to max of 2.5 mg/day (for daily use) or 10 mg dose every 72 hr (for use as needed). Avoid concurrent use of tadalafil for pulmonary HTN in patients taking strong CYP3A4 inhibitors.
crizotinib increases levels of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor. Dose reduction may be needed for coadministered drugs that are predominantly metabolized by CYP3A.
crofelemer increases levels of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor. Crofelemer has the potential to inhibit CYP3A4 at concentrations expected in the gut; unlikely to inhibit systemically because minimally absorbed.
cyclosporine will increase the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.
dabrafenib will decrease the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Modify Therapy/Monitor Closely.
dasatinib will increase the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.
deferasirox will decrease the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.
desipramine will increase the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor. CYP3A4 inhibitors may reduce tadalafil clearance increasing systemic exposure to tadalafil; increased levels may result in increased associated adverse events.
dexamethasone will decrease the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor. Avoid combination in pulmonary HTN patients. For patients with ED, monitor response to tadalafil carefully because of potential for decreased effectiveness.
diltiazem will increase the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor. Risk of hypotension.
tadalafil increases effects of doxazosin by pharmacodynamic synergism. Use Caution/Monitor. Risk of hypotension.
dronedarone will increase the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.
duvelisib will increase the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Modify Therapy/Monitor Closely. Coadministration with duvelisib increases AUC of a sensitive CYP3A4 substrate which may increase the risk of toxicities of these drugs. Consider reducing the dose of the sensitive CYP3A4 substrate and monitor for signs of toxicities of the coadministered sensitive CYP3A substrate.
efavirenz will decrease the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor. Avoid combination in pulmonary HTN patients. For patients with ED, monitor response to tadalafil carefully because of potential for decreased effectiveness.
elagolix decreases levels of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Modify Therapy/Monitor Closely. Elagolix is a weak-to-moderate CYP3A4 inducer. Monitor CYP3A substrates if coadministered. Consider increasing CYP3A substrate dose if needed.
elvitegravir/cobicistat/emtricitabine/tenofovir DF increases levels of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Modify Therapy/Monitor Closely. Adjust tadalafil dose for PAH; if on Stribild, start tadalafil 20 mg/day; avoid tadalafil when starting Stribild; for ED, a single dose of tadalafil not exceeding 10 mg in 72 hr.
tadalafil increases effects of enalapril by pharmacodynamic synergism. Use Caution/Monitor. Risk of hypotension.
encorafenib, tadalafil. affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor. Encorafenib both inhibits and induces CYP3A4 at clinically relevant plasma concentrations. Coadministration of encorafenib with sensitive CYP3A4 substrates may result in increased toxicity or decreased efficacy of these agents.
tadalafil increases effects of eplerenone by pharmacodynamic synergism. Use Caution/Monitor. Risk of hypotension.
tadalafil increases effects of eprosartan by pharmacodynamic synergism. Use Caution/Monitor. Risk of hypotension.
eslicarbazepine acetate will decrease the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor. Avoid combination in pulmonary HTN patients. For patients with ED, monitor response to tadalafil carefully because of potential for decreased effectiveness.
tadalafil increases effects of esmolol by pharmacodynamic synergism. Use Caution/Monitor. Risk of hypotension.
tadalafil increases effects of ethacrynic acid by pharmacodynamic synergism. Use Caution/Monitor. Risk of hypotension.
ethanol, tadalafil.Either increases effects of the other by additive vasodilation. Use Caution/Monitor. Combination may increase risk of orthostatic hypotension, tachycardia, dizziness and headache.
etravirine will decrease the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.
fedratinib will increase the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor. Adjust dose of drugs that are CYP3A4 substrates as necessary.
tadalafil increases effects of felodipine by pharmacodynamic synergism. Use Caution/Monitor. Risk of hypotension.
fluconazole will increase the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.
fluvoxamine will increase the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.
tadalafil increases effects of fosinopril by pharmacodynamic synergism. Use Caution/Monitor. Risk of hypotension.
fosphenytoin will decrease the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor. Avoid combination in pulmonary HTN patients. For patients with ED, monitor response to tadalafil carefully because of potential for decreased effectiveness.
tadalafil increases effects of furosemide by pharmacodynamic synergism. Use Caution/Monitor. Risk of hypotension.
grapefruit will increase the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.
griseofulvin will decrease the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.
tadalafil increases effects of guanfacine by pharmacodynamic synergism. Use Caution/Monitor. Risk of hypotension.
haloperidol will increase the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor. CYP3A4 inhibitors may reduce tadalafil clearance increasing systemic exposure to tadalafil; increased levels may result in increased associated adverse events.
tadalafil increases effects of hydralazine by pharmacodynamic synergism. Use Caution/Monitor. Risk of hypotension.
tadalafil increases effects of hydrochlorothiazide by pharmacodynamic synergism. Use Caution/Monitor. Risk of hypotension.
iloperidone increases levels of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor. Iloperidone is a time-dependent CYP3A inhibitor and may lead to increased plasma levels of drugs predominantly eliminated by CYP3A4.
imatinib will increase the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor. For ED limit tadalafil to max of 2.5 mg/day (for daily use) or 10 mg dose every 72 hr (for use as needed). Avoid concurrent use of tadalafil for pulmonary HTN in patients taking strong CYP3A4 inhibitors.
tadalafil increases effects of indapamide by pharmacodynamic synergism. Use Caution/Monitor. Risk of hypotension.
tadalafil increases effects of irbesartan by pharmacodynamic synergism. Use Caution/Monitor. Risk of hypotension.
isoniazid will increase the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor. For ED limit tadalafil to max of 2.5 mg/day (for daily use) or 10 mg dose every 72 hr (for use as needed). Avoid concurrent use of tadalafil for pulmonary HTN in patients taking strong CYP3A4 inhibitors.
tadalafil increases effects of isradipine by pharmacodynamic synergism. Use Caution/Monitor. Risk of hypotension.
istradefylline will increase the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor. Istradefylline 40 mg/day increased peak levels and AUC of CYP3A4 substrates in clinical trials. This effect was not observed with istradefylline 20 mg/day. Consider dose reduction of sensitive CYP3A4 substrates.
tadalafil increases effects of labetalol by pharmacodynamic synergism. Use Caution/Monitor. Risk of hypotension.
lapatinib will increase the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.
letermovir increases levels of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.
tadalafil increases effects of lisinopril by pharmacodynamic synergism. Use Caution/Monitor. Risk of hypotension.
tadalafil increases effects of losartan by pharmacodynamic synergism. Use Caution/Monitor. Risk of hypotension.
lumefantrine will decrease the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.
maraviroc, tadalafil.Either increases effects of the other by pharmacodynamic synergism. Use Caution/Monitor. Increased risk of orthostatic hypotension.
marijuana will increase the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.
tadalafil increases effects of metolazone by pharmacodynamic synergism. Use Caution/Monitor. Risk of hypotension.
tadalafil increases effects of metoprolol by pharmacodynamic synergism. Use Caution/Monitor. Risk of hypotension.
metronidazole will increase the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.
mifepristone will increase the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.
tadalafil increases effects of minoxidil by pharmacodynamic synergism. Use Caution/Monitor. Risk of hypotension.
mitotane decreases levels of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor. Mitotane is a strong inducer of cytochrome P-4503A4; monitor when coadministered with CYP3A4 substrates for possible dosage adjustments.
tadalafil increases effects of nadolol by pharmacodynamic synergism. Use Caution/Monitor. Risk of hypotension.
nafcillin will decrease the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.
tadalafil increases effects of nebivolol by pharmacodynamic synergism. Use Caution/Monitor. Risk of hypotension.
nefazodone will increase the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor. For ED limit tadalafil to max of 2.5 mg/day (for daily use) or 10 mg dose every 72 hr (for use as needed). Avoid concurrent use of tadalafil for pulmonary HTN in patients taking strong CYP3A4 inhibitors.
nevirapine will decrease the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor. Avoid combination in pulmonary HTN patients. For patients with ED, monitor response to tadalafil carefully because of potential for decreased effectiveness.
nifedipine will increase the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor. Risk of hypotension.tadalafil increases effects of nifedipine by pharmacodynamic synergism. Use Caution/Monitor. Risk of hypotension.
nilotinib will increase the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.
tadalafil increases effects of nimodipine by pharmacodynamic synergism. Use Caution/Monitor. Risk of hypotension.
tadalafil increases effects of nisoldipine by pharmacodynamic synergism. Use Caution/Monitor. Risk of hypotension.
nitroprusside sodium, tadalafil. Mechanism: pharmacodynamic synergism. Use Caution/Monitor. Additive hypotensive effects.
tadalafil increases effects of olmesartan by pharmacodynamic synergism. Use Caution/Monitor. Risk of hypotension.
oxcarbazepine will decrease the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor. Avoid combination in pulmonary HTN patients. For patients with ED, monitor response to tadalafil carefully because of potential for decreased effectiveness.
pazopanib will increase the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.
tadalafil increases effects of penbutolol by pharmacodynamic synergism. Use Caution/Monitor. Risk of hypotension.
pentobarbital will decrease the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor. Avoid combination in pulmonary HTN patients. For patients with ED, monitor response to tadalafil carefully because of potential for decreased effectiveness.
phenobarbital will decrease the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor. Avoid combination in pulmonary HTN patients. For patients with ED, monitor response to tadalafil carefully because of potential for decreased effectiveness.
tadalafil increases effects of phenoxybenzamine by pharmacodynamic synergism. Use Caution/Monitor. Risk of hypotension.
tadalafil increases effects of phentolamine by pharmacodynamic synergism. Use Caution/Monitor. Risk of hypotension.
phenytoin will decrease the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor. Avoid combination in pulmonary HTN patients. For patients with ED, monitor response to tadalafil carefully because of potential for decreased effectiveness.
posaconazole will increase the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.
tadalafil increases effects of prazosin by pharmacodynamic synergism. Use Caution/Monitor. Risk of hypotension.
primidone will decrease the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor. Avoid combination in pulmonary HTN patients. For patients with ED, monitor response to tadalafil carefully because of potential for decreased effectiveness.
tadalafil increases effects of propranolol by pharmacodynamic synergism. Use Caution/Monitor. Risk of hypotension.
tadalafil increases effects of quinapril by pharmacodynamic synergism. Use Caution/Monitor. Risk of hypotension.
quinupristin/dalfopristin will increase the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.
tadalafil increases effects of ramipril by pharmacodynamic synergism. Use Caution/Monitor. Risk of hypotension.
ribociclib will increase the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.
rifabutin will decrease the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor. Avoid combination in pulmonary HTN patients. For patients with ED, monitor response to tadalafil carefully because of potential for decreased effectiveness.
rifampin will decrease the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor. Avoid combination in pulmonary HTN patients. For patients with ED, monitor response to tadalafil carefully because of potential for decreased effectiveness.
rifapentine will decrease the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor. Avoid combination in pulmonary HTN patients. For patients with ED, monitor response to tadalafil carefully because of potential for decreased effectiveness.
rucaparib will increase the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Modify Therapy/Monitor Closely. Adjust dosage of CYP3A4 substrates, if clinically indicated.
rufinamide will decrease the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.
tadalafil increases effects of sacubitril/valsartan by pharmacodynamic synergism. Use Caution/Monitor. Risk of hypotension.
sapropterin, tadalafil.Either increases effects of the other by pharmacodynamic synergism. Use Caution/Monitor. Possible additive vasorelaxation, leading to low blood pressure.
saquinavir increases levels of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor. Potential for increased toxicity. .
secobarbital will decrease the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor. Avoid combination in pulmonary HTN patients. For patients with ED, monitor response to tadalafil carefully because of potential for decreased effectiveness.
sertraline will increase the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor. CYP3A4 inhibitors may reduce tadalafil clearance increasing systemic exposure to tadalafil; increased levels may result in increased associated adverse events.
tadalafil increases effects of silodosin by pharmacodynamic synergism. Use Caution/Monitor. Risk of hypotension.
tadalafil increases effects of sotalol by pharmacodynamic synergism. Use Caution/Monitor. Risk of hypotension.
tadalafil increases effects of spironolactone by pharmacodynamic synergism. Use Caution/Monitor. Risk of hypotension.
St John's Wort will decrease the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor. Avoid combination in pulmonary HTN patients. For patients with ED, monitor response to tadalafil carefully because of potential for decreased effectiveness.
stiripentol, tadalafil. affecting hepatic/intestinal enzyme CYP3A4 metabolism. Modify Therapy/Monitor Closely. Stiripentol is a CYP3A4 inhibitor and inducer. Monitor CYP3A4 substrates coadministered with stiripentol for increased or decreased effects. CYP3A4 substrates may require dosage adjustment.
tadalafil, tamsulosin.Either increases effects of the other by additive vasodilation. Use Caution/Monitor. Risk of hypotension.
tazemetostat will decrease the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.
tecovirimat will decrease the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor. Tecovirimat is a weak CYP3A4 inducer. Monitor sensitive CYP3A4 substrates for effectiveness if coadministered.
tadalafil increases effects of telmisartan by pharmacodynamic synergism. Use Caution/Monitor. Risk of hypotension.
tadalafil increases effects of terazosin by pharmacodynamic synergism. Use Caution/Monitor. Risk of hypotension.
tetracycline will increase the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor. CYP3A4 inhibitors may reduce tadalafil clearance increasing systemic exposure to tadalafil; increased levels may result in increased associated adverse events.
tadalafil increases effects of timolol by pharmacodynamic synergism. Use Caution/Monitor. Risk of hypotension.
tipranavir will increase the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor. For ED limit tadalafil to max of 2.5 mg/day (for daily use) or 10 mg dose every 72 hr (for use as needed). Avoid concurrent use of tadalafil for pulmonary HTN in patients taking strong CYP3A4 inhibitors.
tobramycin inhaled and tadalafil both increase nephrotoxicity and/or ototoxicity. Modify Therapy/Monitor Closely. Avoid concurrent or sequential use to decrease risk for ototoxicity
topiramate will decrease the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.
tadalafil increases effects of torsemide by pharmacodynamic synergism. Use Caution/Monitor. Risk of hypotension.
tadalafil increases effects of trandolapril by pharmacodynamic synergism. Use Caution/Monitor. Risk of hypotension.
tadalafil increases effects of triamterene by pharmacodynamic synergism. Use Caution/Monitor. Risk of hypotension.
tadalafil increases effects of valsartan by pharmacodynamic synergism. Use Caution/Monitor. Risk of hypotension.
vardenafil, tadalafil. Other (see comment). Use Caution/Monitor. Comment: Avoid combination; duplicate therapy is not recommended.
verapamil will increase the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor. Risk of hypotension.
voriconazole will increase the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.
zafirlukast will increase the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.
FAQs
What is the difference between Cialis and Adcirca? ›
Both Cialis and Adcirca (tadalafil) contain the same active ingredient, tadalafil. However, Cialis is approved by the FDA to treat erectile dysfunction (ED) and enlarged prostate (BPH), whereas Adcirca (tadalafil) is approved to treat pulmonary arterial hypertension (PAH).
What drugs interact negatively with Cialis? ›Drug Interactions
Nitrates: Nitrates, nitroglycerin-based medication, and other medications prescribed to treat chest pain and angina (including amyl nitrite) can cause a serious reaction or even death when combined with Cialis or other similar medications.
After you ejaculate, you usually become less sexually excited. This means that you'll likely lose your erection after ejaculation. You need sexual stimulation to have an erection, even if you're taking Cialis. Even though Cialis leaves your system after 36 hours, it can still be effective for up to that amount of time.
Which drug should not be used with tadalafil? ›If you take tadalafil for pulmonary arterial hypertension, do not take Cialis® or other PDE5 inhibitors, such as sildenafil (Revatio® or Viagra®) or vardenafil (Levitra®).
Who should avoid Cialis? ›Who should not take Cialis? Cialis should not be used by patients taking nitrates (such as nitroglycerin tablets or patches) because the combination of these with Cialis could significantly lower blood pressure and lead to fainting or even death in some men. 9.
Does tadalafil affect the heart? ›Tadalafil works on the PDE5 enzyme in the lungs to relax the blood vessels. This will increase the supply of blood to the lungs and reduce the workload of the heart.
Can Cialis cause blood clots? ›However, tadalafil, a phosphodiesterease-5 inhibitor, can cause temporary hypotension via transient vasodilatation and thus may induce low intracranial venous pressure and a subsequent low flow state, which may lead to an increased risk of venous thrombosis.
What happens if you take Cialis with high blood pressure? ›Can you take ED medications with high blood pressure? Generally speaking, popular ED medications – like the phosphodiesterase inhibitors Viagra and Cialis – can be safely taken by patients who have high blood pressure.
Does Cialis affect eyesight? ›Erectile Dysfunction Drugs Such as Viagra, Cialis May Increase Risk of Retinal Detachment and Other Eye Damage. Researchers say men who regularly use erectile dysfunction drugs may have an increased risk of eye damage, including retinal detachment.
When do men stop ejaculating? ›In most men, this happens between the ages of 30 and 50.
How long does it take for a woman to be ready for Round 2? ›
Women need only wait a few seconds before the second round, with many even achieving multiple orgasms in one session. In comparison, the male refractory period varies post ejaculation, with some men ready after a few minutes and some men needing several hours to days.
Does Cialis make you rock hard? ›Much like Viagra, Cialis relaxes the smooth muscles and arteries inside the penis. At the same time, it also increases blood flow to the penis. When aroused, this combination of relaxation and increased blood flow allows the penis to fill with blood, which results in an erection.
What are the dangers of tadalafil? ›Many men do not have any side effects from tadalafil, while some have mild side effects. These may include headaches, back pain, muscle aches, pain in your arms and legs, facial flushes, stuffy nose, and indigestion. Do not take tadalafil if you also take medicines called nitrates (often prescribed for chest pain).
How long can you last in bed with tadalafil? ›Tadalafil (Cialis) is available in generic and brand versions in several doses as an oral tablet. You can take Cialis as needed or once a day, depending on the dose and how it's prescribed. Cialis takes from 30 minutes to 2 hours to take effect. It can last up to 36 hours.
What is the best time of day to take Cialis? ›You should take Cialis at least 2 hours before you plan to have sex. The effects may last for up to 36 hours after you take it.
What happens if you take Cialis everyday? ›Men taking Cialis for daily use can experience a worrisome drop in blood pressure if they drink too much. What other medications do you take? Ask your doctor if any medications or supplements you take might interact with a daily erectile dysfunction pill, including blood pressure drugs, antifungal drugs, and HIV drugs.
Is Cialis good for your heart? ›Cialis was observed to restore the heart's ability to respond to adrenaline, which in turn improved its ability to pump blood. Most heart failure medications can help improve symptoms and reduce the risk of potentially fatal cardiac events.
Does tadalafil increase size? ›found no difference in penile size between pre and postoperative measurements with the use of full dose PDE5-I on demand (8). We found a significant decrease in all penile measurements in control patients (not using Tadalafil) at 3rd postoperative month when compared with preoperative measurements (p = 0.001).
What are the negative side effects of Cialis? ›The most common side effects with Cialis are: headache, indigestion, back pain, muscle aches, flushing, and stuffy or runny nose. These side effects usually go away after a few hours. Men who get back pain and muscle aches usually get it 12 to 24 hours after taking Cialis.
Does tadalafil affect sleep? ›FVCs revealed a significant improvement in the number of hours of undisturbed sleep (HUS) after treatment with tadalafil. No serious adverse events were observed. Conclusions: This study indicates that tadalafil 5 mg once daily improves nocturia, nocturia-related QoL, and HUS in BPH patients with nocturia.
Does tadalafil affect the brain? ›
As tadalafil has been reported to cross the blood-brain barrier17, it may affect attention-related processes by promoting increases of cGMP in cortical neurons.
Is Cialis harmful long term? ›Conclusion: Tadalafil at doses of 5, 10, or 20mg taken as needed up to once daily for 18 to 24 months was safe and well tolerated. These findings support the long-term use of tadalafil in the clinical management of erectile dysfunction.
Can Cialis cause nerve damage? ›Cialis is one of several ED medications linked to potential optic nerve damage, potentially causing vision loss. Like priapism, this is a rare side effect that only affects a tiny percentage of Cialis users. The condition that Cialis is linked to is called nonarteritic anterior ischemic optic neuropathy, or NAION.
How do I overcome the side effects of Cialis? ›- Take Cialis under the care of a healthcare provider. ...
- Only purchase Cialis from a licensed pharmacist. ...
- Take Cialis as directed. ...
- Tell the doctor about all medical conditions and medications. ...
- Do not take more than one dose of Cialis per day. ...
- Avoid grapefruit. ...
- Do not drink too much alcohol.
Masturbation releases hormones and neurotransmitters to help reduce stress and blood pressure while promoting relaxation, which may make it easier to fall asleep.
How many years can you take Cialis? ›They found no serious adverse effects to long term use of tadalafil over the course of those two years. But most men will likely plan to take Cialis for more than two years — or at least hope to. And that's where things become ambiguous, because there aren't any long-term studies about adverse effects.
Does Cialis improve circulation? ›Cialis increases blood flow to the tissue of your penis. To get a little scientific, PDE5 inhibitors block something called cGMP-specific phosphodiesterase type 5, or PDE5 for short. This is an enzyme that's responsible for regulating the flow of blood to the penis (and other areas of the body).
Does Cialis cause memory loss? ›Aug. 22, 2008 -- All three erectile dysfunction drugs -- Cialis, Levitra, and Viagra -- now list rare reports of transient global amnesia on their labels. Transient global amnesia, or TGA, is a brief bout of amnesia, not lasting longer than a day, without causing other problems.
What prevents Cialis from working? ›Poor control of high blood pressure, high cholesterol, poor control of diabetes, and weight gain are some of the common causes of why tadalafil (Cialis) may stop working well. Addressing underlying problems is important not only for sexual health but also for heart health.
Can I break Cialis in half? ›Do not split, break, chew, or crush it. When using this medicine for erectile dysfunction, the ability to have sexual activity may be improved for up to 36 hours after taking the tablet.
How often do 60 year olds make love? ›
The average person aged 50 to 59 reported having sex 38 times per year, while people in their 60s reported having sex an average of 25 times per year.
How often do 80 year olds make love? ›For people in their 80s, 19% of sexually active men and 32% of sexually active women had sex at least twice a month. According to the International Society for Sexual Medicine, the 2010 National Survey of Sexual Health and Behavior found almost 25% of partnered women over age 70 had sex more than four times a week.
How long does it take for a girl to finish usually? ›Some women orgasm within 30 seconds of self-stimulation, while most reach climax after 20 minutes.
How long does it take the average female to finish? ›The genital muscles, including the uterus and vaginal opening, experience rhythmic contractions around 0.8 seconds apart. The female orgasm typically lasts longer than the male orgasm, at an average of around 20–35 seconds .
How long does it take the average woman to get turned on? ›Healthy young men and women take the same amount of time -- about 11-12 minutes -- to become sexually aroused, Canadian researchers report. The researchers, who are based at McGill University in Montreal, included psychology graduate student Tuuli Kukkonen and Yitzchak Binik, PhD, of McGill's psychology department.
Why can't I get hard after the first round? ›After sex. After orgasm, every man goes through a recovery cycle, called the refractory period, which is when it is not possible to get another erection. This resolution stage can take anything from minutes to days and varies from man to man, generally extending as you get older.
What is the most prescribed drug for erectile dysfunction? ›Sildenafil (Viagra) and tadalafil (Cialis) are the most commonly prescribed medications for ED, and are equally safe and effective.
How do you get the best results from tadalafil? ›Timing. Getting the best results from Cialis is dependent on when you take it. Like most other ED medications (such as Viagra and Levitra), it's recommended to take Cialis 30-60 minutes before having sex. Most users do notice that it gets to work in around 30 minutes, but it's best to take it a little before this.
Does Cialis Work faster under the tongue? ›You may have better results with sublingual (which means “under the tongue”) therapies and here's why: Food interferes (particularly fats) with the absorption of phosphodiesterase-5 (PDE5) inhibitors (drugs like Viagra, Cialis, Levitra, Zydena, Stendra/Spedra).
Is Adcirca used for erectile dysfunction? ›ADCIRCA is also marketed as CIALIS for the treatment of male erectile dysfunction (ED, impotence) and for the signs and symptoms of benign prostatic hyperplasia (BPH, enlarged prostate). Do not take both ADCIRCA and CIALIS. Do not take ADCIRCA and other medicines or treatments for erectile dysfunction.
What is Adcirca prescribed for? ›
Tadalafil is used to treat high blood pressure in the lungs (pulmonary hypertension). It works by relaxing and widening the blood vessels in your lungs which allows the blood to flow more easily.
What pill is better than Cialis? ›Structurally vardenafil (Levitra) is similar to sildenafil, while tadalafil (Cialis) is very different. Vardenafil (Levitra) is almost 10 times more biochemically potent than sildenafil, therefore a lower dose is needed to facilitate the penile erection, potentially resulting in less side effects.
Does tadalafil work as good as Cialis? ›Generic Cialis, or Tadalafil, is the same as Cialis in terms of its active ingredient (tadalafil), its effectiveness and side effects. The difference you may see is in the cost, with generic medicines tending to be less expensive.
What is the most successful treatment for ED? ›Penile implant. A penile implant involves a 30- to 45-minute surgical procedure that places a water-based device into the erection chambers of the penis, which enables you to reliably control exactly when and how long an erection lasts. Dr. Starke says this is the closest option to a cure that exists for ED.
What is the best proven treatment for ED? ›The best treatment for ED is the one that is best for you. Sildenafil (Viagra) and tadalafil (Cialis) are the most commonly prescribed medications for ED, and are equally safe and effective. In most cases, lifestyle and cost will help you decide between them.
Can Cialis cure ED permanently? ›If you are taking tadalafil to treat erectile dysfunction, you should know that it does not cure erectile dysfunction or increase sexual desire.
Does Cialis increase pleasure? ›They found that treatment with Cialis (10 or 20 milligrams taken as needed) was associated with significant increase in ejaculatory and orgasmic function across all levels of severity of ED, EJD and OD, compared to use of a placebo agent.
Does tadalafil reduce prostate size? ›Unlike medications such as Proscar and Avodart, Cialis does not shrink the prostate and does not decrease the rate of growth of the prostate gland.
Why is Cialis good for prostate? ›Cialis inhibits an enzyme called phosphodiesterase type 5 (PDE5). By inhibiting PDE5 in the penis, Cialis helps produce vascular relaxation and increases blood flow. PDE5 enzymes are also found in the prostate and bladder. The mechanism for how Cialis reduces BPH symptoms has not been established.
How do you get hard after 70? ›Sexual stimulation is still required to become aroused. As you get older, you may require more stimulation to become aroused than you did when you were younger. An erection triggered by a penile injection may occur within 15 minutes, though sexual stimulation may still be required for the medication to work.
What age does a man stop getting a hard on? ›
ED can happen at any age, but it's more common in older men. By the time a man is in his 40s, he has about a 40% chance of having experienced ED. That risk increases by about 10% for each decade of life—a 50% chance in his 50s, a 60% chance in his 60s, and so on (Ferrini, 2017).
What is the latest treatment for erectile dysfunction 2022? ›- Stem cell therapy. Stem cell therapy for ED involves the injection of your stem cells into your penis. ...
- Platelet-rich plasma. ...
- Vascular stent. ...
- Penile transplant. ...
- Shockwave therapy.
Studies have shown the drug tadalafil and its trade name Cialis to have a success rate of 60-70% in treating ED. Tadalafil (generic Cialis), is just as effective.
How long does it take for Cialis to peak? ›Peak plasma concentrations of Cialis are reached within 30 minutes to six hours (average time two hours) of a dose. Effects of 'as needed' Cialis last for up to 36 hours. The recommended starting dose for once-daily Cialis for ED is 2.5mg; once daily Cialis for BPH, 5mg; and 'as needed' Cialis, 10mg.
What happens if you take too much tadalafil? ›Upping your dose of Cialis increases your chances of serious side effects and damage, including: low blood pressure (a higher dose may increase the risk of dizziness and fainting) chest pain. confusion.