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.
2.2 Recommended Dosage in Pediatric Patients
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. 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.
Additional Information
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 oral sildenafil 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. sotalol increases effects of sildenafil by additive vasodilation.
- The medication can cause dizziness; avoid driving until effects are known.
- Be aware of possible vision disturbances such as blurred vision or sensitivity.
- Seek medical advice if vision changes persist or worsen.
Monitor CYP3A4 substrates coadministered with stiripentol for increased or decreased effects.
- Sildenafil citrate tablets are part of a class called phosphodiesterase inhibitors.
- They improve blood flow to achieve and sustain an erection.
- The medication is not a cure for erectile dysfunction but treats symptoms.
suzetriginesuzetrigine decreases levels of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism.
- The medication's effectiveness may be reduced in men taking certain antidepressants.
- Age can affect how the body responds to sildenafil.
- Dose adjustments are sometimes necessary for older adults.
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.
Chemical synthesis
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. Not recommended during and 2 weeks after itraconazole treatment when sildenafil is used for pulmonary arterial hypertension.
How does sildenafil work (mechanism of action)?
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. tecovirimattecovirimat will decrease the level or effect of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. 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.
Non-medical use
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. Follow substrate recommendations for use with moderate CYP3A inhibitors Either increases effects of the other by pharmacodynamic synergism. timolol increases effects of sildenafil by additive vasodilation.
| Brand Name | Manufacturer | Country of Origin | Availability |
|---|---|---|---|
| Viagra | Pfizer | USA | Widely available |
| Kamagra | Ajanta Pharma | India | Limited markets |
| Sildenafil Sandoz | Novartis | Switzerland | Prescription only |
| Revatio | Pfizer | USA | For pulmonary hypertension |
| Bedrocan | Canadian Medical Cannabis | Canada | Not for oral use |
tipranavirtipranavir increases levels of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism.
What special dietary instructions should I follow?
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.
Warnings for other groups
lorlatiniblorlatinib will decrease the level or effect of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. lorlatinib will decrease the level or effect 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. sildenafil increases levels of mavacamten by affecting hepatic enzyme CYP2C19 metabolism. Increased risk of priapism, hypotension, and other adverse effects.
5.8 Vaso-occlusive Crisis in Patients with Pulmonary Hypertension Secondary to Sickle Cell Disease
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.
Cardiovascular problems
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. tipranavir increases levels of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism.
Written By
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.
How it works
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. 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. tobramycin inhaledtobramycin inhaled and sildenafil both increase nephrotoxicity and/or ototoxicity. Avoid concurrent or sequential use to decrease risk for ototoxicity tobramycin inhaled and sildenafil both increase nephrotoxicity and/or ototoxicity.
Similar Medicine Of
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.
More common
miconazole vaginal 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. 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.
- Do not take sildenafil if you are on nitrate medications for chest pain.
- Using both can cause a dangerous drop in blood pressure.
- Always inform your doctor about all medications you are taking.
verapamil will increase the level or effect of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism.
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