Drug Interactions with Sildenafil Citrate
duvelisib will increase the level or effect of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. efavirenzefavirenz will decrease the level or effect of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism.
Does Dual Combination Therapy Work?
Potent CYP3A4 inducers are expected to cause substantial decreases in sildenafil plasma levels carvedilolcarvedilol increases effects of sildenafil by additive vasodilation. carvedilol increases effects of sildenafil by additive vasodilation. cenobamatecenobamate will decrease the level or effect of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Increase dose of CYP3A4 substrate, as needed, when coadministered with cenobamate. cenobamate will decrease the level or effect of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism.
Common Adverse Effects
cimetidinecimetidine will increase the level or effect of sildenafil by sildenafil 100 mg tab affecting hepatic/intestinal enzyme CYP3A4 metabolism. cimetidine will increase the level or effect of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. cyclosporinecyclosporine will increase the level or effect of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. cyclosporine will increase the level or effect of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. danazoldanazol 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 efavirenz 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 elagolixelagolix decreases levels of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Consider increasing CYP3A substrate dose if needed. elagolix decreases levels of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Encorafenib both inhibits and induces CYP3A4 at clinically relevant plasma concentrations.
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Coadministration of encorafenib with sensitive CYP3A4 substrates may result in increased toxicity or decreased efficacy of these agents.
What is Sildenafil for Erectile Dysfunction?
dronedaronedronedarone will increase the level or effect of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. dronedarone will increase the level or effect of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. duvelisibduvelisib will increase the level or effect of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. 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. enzalutamideenzalutamide 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 enzalutamide 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 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.
How does Sildenafil Work for Erectile Dysfunction?
betaxololbetaxolol increases effects of sildenafil by additive vasodilation. betaxolol increases effects of sildenafil by additive vasodilation. bisoprololbisoprolol increases effects of sildenafil by additive vasodilation. bisoprolol increases effects of sildenafil by additive vasodilation. bosentanbosentan will decrease the level or effect of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism.
Sildenafil may cause side effects. Tell your doctor if any of these symptoms are severe or do not go away:
Potent CYP3A4 inducers are expected to cause substantial decreases in sildenafil plasma levels bosentan 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 butalbitalbutalbital will decrease the level or effect of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. butalbital will decrease the level or effect of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. carbamazepinecarbamazepine 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 carbamazepine will decrease 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 chew sildenafil or effect of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. erythromycin ethylsuccinate will increase the level or effect of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism.
- Sildenafil is a medication used to treat erectile dysfunction in men.
- It works by increasing blood flow to the penis during arousal.
- Sildenafil is commonly sold under the brand name Viagra.
- The typical dose ranges from 25 mg to 100 mg, taken before sexual activity.
- It usually takes about 30 to 60 minutes to work after ingestion.
- Sildenafil's effects can last for up to 4-6 hours.
- It can cause side effects like headaches, flushing, and nasal congestion.
- Sildenafil should not be used with nitrate medications due to risk of dangerous drops in blood pressure.
- It is available by prescription from a healthcare provider.
- Do not take sildenafil more than once a day to avoid adverse effects.
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.
How should I take sildenafil?
danazol will increase the level or effect of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. darunavirdarunavir will increase the level or effect of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Coadministration with PDE-5 inhibitors may result in an increase in PDE-5 inhibitor-associated adverse reactions (eg, hypotension, syncope, visual disturbances and priapism). darunavir will increase the level or effect of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. deferasiroxdeferasirox will decrease the level or effect of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism.
Key takeaways
deferasirox will decrease the level or effect of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. dexamethasonedexamethasone will decrease the level or effect of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. dexamethasone will decrease the level or effect of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. diltiazemdiltiazem will increase the level or effect of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. diltiazem will increase the level or effect of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. esmololesmolol increases effects of sildenafil by additive vasodilation. esmolol increases effects of sildenafil by additive vasodilation.
| Country | Generic | Brand (Viagra) | Cost Range of Brand | Notes |
|---|---|---|---|---|
| USA | $1-$3 | $10-$30 | $20-$30 | Generic cheaper options |
| India | $0.50-$1 | $2-$8 | $5-$10 | Affordable, widely used |
| UK | £0.80-£2 | £10-£25 | £20-£25 | Price varies by retailer |
etravirineetravirine will decrease the level or effect of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism.
- Sildenafil has been shown to aid men with diabetes-related ED.
- The drug may also reduce blood pressure temporarily.
- Some men may not respond to sildenafil due to various health factors.
- It is recommended to take sildenafil on an empty stomach for faster effects.
- Overdose symptoms include dizziness, fainting, and pain in the chest.
- Sildenafil should not be used with other erectile dysfunction medications simultaneously.
- Patients should inform their doctor if they experience prolonged erections.
- Certain medical conditions require cautious use of sildenafil.
- The medication can sometimes cause changes in color perception.
- Always check the expiration date before using sildenafil pills.
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. 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. 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.
| Age Range | Suitability | Notes |
|---|---|---|
| 18-50 years | Usually suitable | Under doctor supervision |
| 51-70 years | Caution advised | Dose adjustment may be needed |
| Over 70 years | Use with caution | Potential drug interactions |
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.
The Company Behind Viagra
amifostineamifostine increases effects of sildenafil by additive vasodilation. amifostine increases effects of sildenafil by additive vasodilation. aprepitantaprepitant will increase the level or effect of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. aprepitant will increase the level or effect of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. armodafinilarmodafinil will decrease the level or effect of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism.
How is sildenafil supplied (dosage forms)?
armodafinil will decrease the level or effect of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. artemether/lumefantrineartemether/lumefantrine will decrease the level or effect of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. artemether/lumefantrine will decrease the level or effect of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. atenololatenolol increases effects of sildenafil by additive vasodilation. atenolol increases effects of sildenafil by additive vasodilation.
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