suzetriginesuzetrigine decreases levels of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism.
griseofulvin will decrease the level or effect of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. hydrocortisonehydrocortisone will decrease the level or effect of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. hydrocortisone will decrease the level or effect of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. idelalisibidelalisib will increase the level or effect of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Coadministration of sildenafil with strong CYP3A4 inhibitors is not recommended.
If using Viagra, consider decreasing starting dose. idelalisib will increase the level or effect of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. isoniazidisoniazid will increase the level or effect of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. isoniazid will increase the level or effect of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. istradefyllineistradefylline will increase the level or effect of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism.
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. istradefylline will increase the level or effect of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. itraconazoleitraconazole will increase the level or effect of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Monitor patients for loss of therapeutic effect of sensitive CYP3A substrates with narrow therapeutic indexes when coadministered with suzetrigine.
Consider modifying dose of sensitive substrate according to prescribing recommendations.
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suzetrigine decreases levels of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism.
tecovirimattecovirimat will decrease the level or effect of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism.
Not recommended during and 2 weeks after itraconazole treatment when sildenafil is used for pulmonary arterial hypertension. itraconazole will increase the level or effect of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. labetalollabetalol increases effects of sildenafil by additive vasodilation. labetalol increases effects of sildenafil by additive vasodilation. lapatiniblapatinib will increase the level or effect of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism.
lapatinib will increase the level or effect of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. lesinurad (DSC)lesinurad (DSC) decreases levels of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. lesinurad (DSC) decreases levels of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. letermovirletermovir increases levels of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. letermovir increases levels of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism.
When amlodipine and sildenafil were used in combination, each agent independently exerted its own blood pressure lowering effect. lorlatiniblorlatinib will decrease the level or effect of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. lorlatinib will decrease the level or effect sildenafil pills of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. mavacamtensildenafil increases levels of mavacamten by affecting hepatic enzyme CYP2C19 metabolism. Modify mavacamten dose if coadministered with weak or moderate CYP2C19 inhibitors. Monitor sensitive CYP3A4 substrates for effectiveness if coadministered.
tecovirimat will decrease the level or effect of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism.
timololtimolol increases effects of sildenafil by additive vasodilation.
Potent CYP3A4 inducers are expected to cause substantial decreases in sildenafil plasma levels rifampin will decrease the level or effect of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Potent CYP3A4 inducers are expected to cause substantial decreases in sildenafil plasma levels rifapentinerifapentine will decrease the level or effect of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Potent CYP3A4 inducers are expected to cause substantial decreases in sildenafil plasma levels rifapentine will decrease the level or effect of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Potent CYP3A4 inducers are expected to cause substantial decreases in sildenafil plasma levels rilzabrutinibrilzabrutinib will increase the level or effect of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Follow substrate recommendations for use with moderate CYP3A inhibitors rilzabrutinib will increase the level or effect of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. timolol increases effects of sildenafil by additive vasodilation.
Potent CYP3A4 inducers are expected to cause substantial decreases in sildenafil plasma levels nevirapine will decrease the level or effect of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Potent CYP3A4 inducers are expected to cause substantial decreases in sildenafil plasma levels nifedipinenifedipine will increase the level or effect of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. nifedipine will increase the level or effect of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. nilotinibnilotinib will increase the level or effect of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. nilotinib will increase the level or effect of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism.
pindololpindolol increases effects of sildenafil by additive vasodilation. pindolol increases effects of sildenafil by additive vasodilation. posaconazoleposaconazole will increase the level or effect of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. posaconazole will increase the level or effect of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. propranololpropranolol increases effects of sildenafil by additive vasodilation.
propranolol increases effects of sildenafil by additive vasodilation. ribociclibribociclib will increase the level or effect of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. ribociclib will increase the level or effect of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Potent CYP3A4 inducers are expected to cause substantial decreases in sildenafil plasma levels rifabutin will decrease the level or effect of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Potent CYP3A4 inducers are expected to cause substantial decreases in sildenafil plasma levels rifampinrifampin will decrease the level or effect of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. tipranavirtipranavir increases levels of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism.
| Question | Answer | Notes |
|---|---|---|
| Can sildenafil citrate 50 mg be used recreationally? | No, it is a prescription medication for specific conditions | Risk of serious side effects |
| How long does the effect last? | Generally 4-6 hours | Varies between individuals |
| Is it safe to take with alcohol? | Alcohol may reduce effectiveness and increase side effects | Use caution |
| Can women take sildenafil citrate? | Not approved for women; safety and efficacy not established | Consult healthcare provider |
| What should I do if I experience side effects? | Seek medical advice; stop medication if severe reactions occur | Contact doctor promptly |
Increased risk of priapism, hypotension, and other adverse effects.
Follow substrate recommendations for use with moderate CYP3A inhibitors Either sildenafil oral jelly 100mg increases effects of the other by pharmacodynamic synergism. Coadministration of sepiapterin with drugs affecting nitric oxide-mediated relaxation may cause additive vasodilation and further reduce blood pressure. sotalolsotalol increases effects of sildenafil by additive vasodilation. sotalol increases effects of sildenafil by additive vasodilation. Monitor CYP3A4 substrates coadministered with stiripentol for increased or decreased effects. tipranavir increases levels of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism.
| Medication Class | Potential Effect | Notes |
|---|---|---|
| Nitrates | Severe hypotension | Do not co-administer |
| CYP3A4 inhibitors (e.g., ketoconazole) | Increased sildenafil levels | Dose adjustment may be necessary |
| Alpha-blockers | Risk of hypotension | Use with caution |
| Other Vasodilators | Additive blood pressure lowering | Monitor closely |
tobramycin inhaledtobramycin inhaled and sildenafil both increase nephrotoxicity and/or ototoxicity.
sildenafil increases levels of mavacamten by affecting hepatic enzyme CYP2C19 metabolism. mavorixaformavorixafor will increase the level or effect of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Monitor for adverse effects of sensitive CYP3A4 substrates if coadministered with mavorixafor (a weak CYP3A4 inhibitor). mavorixafor will increase the level or effect of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. metoprololmetoprolol increases effects of sildenafil by additive vasodilation.
metoprolol increases effects of sildenafil by additive vasodilation. miconazole vaginal sildenafil 50g will increase the level or effect of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. mitapivatmitapivat decreases levels of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Monitor patients for loss of therapeutic effect of sensitive CYP3A substrates with narrow therapeutic index when coadministered with mitapivat. mitapivat decreases levels of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism.
nebivololnebivolol increases effects of sildenafil by additive vasodilation. nebivolol increases effects of sildenafil by additive vasodilation. nefazodonenefazodone will increase the level or effect of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. nefazodone will increase the level or effect of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. nevirapinenevirapine will decrease the level or effect of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Avoid concurrent or sequential use to decrease risk for ototoxicity tobramycin inhaled and sildenafil both increase nephrotoxicity and/or ototoxicity.
| Patient Group | Recommended Dose | Notes |
|---|---|---|
| Adults (18-65) | 50 mg prior to activity | Max once per day |
| Elderly (>65) | 25-50 mg as needed | Adjust based on tolerability |
| Patients with Liver Impairment | Start at 25 mg | May need dose reduction |
| Patients on CYP3A4 inhibitors | Lower dose | Due to increased plasma levels |
Avoid concurrent or sequential use to decrease risk for ototoxicity verapamilverapamil will increase the level or effect of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism.