Avanafil
Avanafil is a drug used to treat erectile dysfunction in men, which is known by the brand name Stendra. It belongs to a class of drugs called phosphodiesterase type 5 (PDE5) inhibitors.
Here are the characteristics of avanafil
Mechanism of action
- Avanafil works by increasing blood flow to the penis during sexual stimulation. It blocks the enzyme phosphodiesterase type 5 (PDE5), which allows the smooth muscles of the blood vessels in the penis to relax and increase blood flow, which in turn helps to achieve and maintain an erection.
Rapid onset of action
- Avanafil has a reputation as a fast-acting erectile dysfunction drug. Its effects usually appear within 15 to 30 minutes after taking it, which is faster than other drugs for similar disorders.
Duration of action
- the effects of avanafil usually last up to 4 to 6 hours. During this time, a man can achieve and maintain an erection long enough for satisfactory sexual intercourse.
Dosage
- The usual initial recommended dose of avanafil is 100 mg, which may be increased to 200 mg or decreased to 50 mg according to individual response and needs.
Side effects
- Common side effects of avanafil include headache, facial flushing, digestive problems (e.g. nausea, diarrhea), dizziness, and increased blood pressure. Rarely, hearing loss or changes in vision may occur.
Contraindications
- Avanafil is contraindicated in patients taking nitrates or other nitrate-containing drugs. It should also not be used in men with serious heart problems, recent heart attack or stroke.
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