Avanafil
Stendra (avanafil) is a prescription medication used to treat erectile dysfunction (ED) in adult men. It belongs to a class of drugs called phosphodiesterase type 5 (PDE5) inhibitors. Stendra works by increasing blood flow to the penis during sexual stimulation to help men achieve and maintain an erection.
Stendra is a PDE5 inhibitor used to treat erectile dysfunction in men by increasing blood flow to the penis.
Key facts at a glance
- RxNorm
- 1291307
- Generic
- Stendra
- Class
- brand-name
- Brands
- —
- Availability
- rx
- Lactation
- unknown
- Routes
- —
- Forms
- —
- Regions
- US, EU, CN, JP
- Monitoring
- —
This page is for informational purposes only.
Do not use this information to diagnose yourself or to replace a physician's advice. Always consult a qualified healthcare provider before starting, stopping, or changing any medication. If you believe you are experiencing a medical emergency, call your local emergency number immediately.
Stendra is prescribed for the treatment of erectile dysfunction (ED) in adult men, a condition characterized by the inability to achieve or maintain a sufficient erection for satisfactory sexual performance.
Stendra belongs to the phosphodiesterase type 5 (PDE5) inhibitor class of medications. It works by blocking the PDE5 enzyme, which allows the smooth muscles in the blood vessels of the penis to relax, increasing blood flow and enabling an erection in response to sexual stimulation.
Stendra should be taken approximately 30 minutes before sexual activity. It is not an aphrodisiac and requires sexual stimulation to be effective. Patients should not use Stendra if they are taking nitrates or have certain cardiovascular conditions. Common side effects may include headache, flushing, or nasal congestion. Always consult a healthcare provider for personalized medical advice.
Official drug label
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This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.
This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.
If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.
Medically reviewed by WellAlly Editorial Team Last reviewed July 26, 2026. · Read our editorial policy