Sildenafil citrate 100 mg starting dose in men with erectile dysfunction in an international, double-blind, placebo-controlled study: effect on the sexual experience and reducing feelings of anxiety about the next intercourse attempt

Sildenafil > sildenafil citrate 100 mg


mavacamtensildenafil increases levels of mavacamten by affecting hepatic enzyme CYP2C19 metabolism.

Condition Recommended Range Additional Tips
Temperature 20-25°C (68-77°F) Keep away from moisture and heat
Humidity Low humidity Store in a dry place
Light Exposure Protect from direct light Store in original container
Shelf Life 2-3 years depending on manufacturer Check expiry date before use

Modify mavacamten dose if coadministered with weak or moderate CYP2C19 inhibitors. 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.

2.5 Dosage Adjustments in Special Populations

Adjust dose of drugs that are CYP3A4 substrates as necessary. fedratinib will increase the level or effect of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. fluconazolefluconazole will increase the level or effect of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. fluconazole will increase the level or effect of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. fosamprenavirfosamprenavir will increase the level or effect of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism.

Revatio Tablets

fosamprenavir will increase the level or effect of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. fosaprepitantfosaprepitant will increase the level or effect of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. fosaprepitant will increase the level or effect of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. fosphenytoinfosphenytoin 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 fosphenytoin will decrease the level or effect of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism.

Vitamin K Antagonists

Potent CYP3A4 inducers are expected to cause substantial decreases in sildenafil plasma levels gepotidacingepotidacin increases levels of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. If possible, avoid with sensitive substrates that are are extensively metabolized by CYP3A4 and have a narrow therapeutic index. If unable to avoid, monitor or modify substrate dose according to its prescribing information. gepotidacin increases levels of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. grapefruitgrapefruit 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 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.

Monitoring Aspect Purpose Key Metrics
Adverse Event Reporting Track side effects and adverse reactions Unexpected or severe reactions
Cardiac Function Monitoring Patients with cardiovascular risk ECG or other assessments
Liver and Kidney Function Tests Patients on long-term therapy Ensure no organ damage
Patient Education Inform about common side effects and interaction risks Enhance safe usage

Monitor patients for loss of therapeutic effect of sensitive CYP3A substrates with narrow therapeutic index when coadministered with mitapivat.

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mitapivat decreases levels of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. nebivololnebivolol increases effects of sildenafil by additive vasodilation.

Frequently asked questions

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. itraconazole will increase the level or effect of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. labetalollabetalol increases effects of sildenafil by additive vasodilation.

Effets indésirables

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. nebivolol increases effects of sildenafil by additive vasodilation.

Drug Class Interaction Nature Effect
Nitrates Potentiate hypotension Dangerous drop in blood pressure
CYP3A4 Inhibitors Reduce sildenafil clearance, increase toxicity Increased side effects
Alpha-blockers Enhanced hypotensive effect Careful titration recommended
Other ED Medications Possible additive effects Caution advised

nefazodonenefazodone will increase the level or effect of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism.

5.7 Combination with other PDE5 Inhibitors or Other Erectile Dysfunction Therapies

Potent CYP3A4 inducers are expected to cause substantial decreases in sildenafil plasma levels epoprostenolepoprostenol increases effects of sildenafil by additive vasodilation. epoprostenol increases effects of sildenafil by additive vasodilation. erythromycin baseerythromycin base will increase the level or effect of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Consider a starting dose of 25 mg in patients treated with erythromycin. erythromycin base will increase the level or effect of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism.

What’s the difference between sildenafil and Viagra?

erythromycin ethylsuccinate will increase the level or effect of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. erythromycin lactobionateerythromycin lactobionate will increase the level or effect of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. erythromycin lactobionate will increase the level or effect of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. erythromycin stearateerythromycin stearate will increase the level or effect of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. erythromycin stearate will increase the level or effect of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism.

Patient resources

esmololesmolol increases effects of sildenafil by additive vasodilation. esmolol increases effects of sildenafil by additive vasodilation. etravirineetravirine 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 etravirine 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 fedratinibfedratinib 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.

  • Sildenafil citrate 100 mg is available by prescription only in many countries.
  • Do not use sildenafil if you are taking nitrate medications for chest pain.
  • Alcohol can increase the risk of side effects when combined with sildenafil.

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.

Rights and permissions

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 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.

  • Sildenafil 100 mg can be used for pulmonary arterial hypertension in some cases.
  • It is not intended for use in women or children.
  • Regular use of sildenafil does not cure erectile dysfunction but manages symptoms.

nilotinib will increase the level or effect of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism.

8.5 Geriatric Use

grapefruit will increase the level or effect of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. griseofulvingriseofulvin will decrease the level or effect 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.

Liens externes

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.

Drugs Affecting or Metabolized by Hepatic Microsomal Enzymes

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 sildenafil citrate tablets 150 mg not observed with istradefylline 20 mg/day. Consider dose reduction of sensitive CYP3A4 substrates. 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.