How long does Viagra last and how soon does it work? - Drugs.com

Viagra (sildenafil) is a pill that treats erectile dysfunction by increasing blood flow to the penis. It takes 30 minutes to 1 hour to work and lasts for about 4 hours. Learn more about how it works, how to use it safely and what to avoid.

How Long Does Viagra Last? - Verywell Health

Viagra has a drug half-life of four hours. This means that 50% of the drug will be cleared from your system after four hours. Thereafter, the concentration of the drug will continue to drop by half every few hours until no drug is left in the system—usually within 16 to 24 hours. This does not mean that Viagra will work for 16 to 20 hours.

How Long Does Viagra Last? - Healthline

The average length of time Viagra lasts. On average, Viagra lasts between 2 and 3 hours before its effects start to diminish. Viagra can last up to 5 hours or longer depending on your dosage, your ...

How long does Viagra last? Duration and effects - Medical News Today

Learn more about how long Viagra lasts here. Viagra lasts for up to 4 hours. The average time of onset is 60 minutes. ... The effects of taking 100 mg of Viagra can last for up to 4 hours after ...

Sildenafil: 7 things you should know - Drugs.com

Sildenafil is used to treat erectile dysfunction (ED) and pulmonary arterial hypertension (PAH). It works within 30 to 60 minutes for ED and daily for PAH. Learn about its side effects, interactions, and tips.

How Long Does Sildenafil Last? A Urologist Explains - Hone Health

Medicines like tadalafil last up to 36 hours, while vardenafil and sildenafil wear off after about four. This is the exact time you should take your sildenafil before sex to treat erectile dysfunction—according to urologist Amy Pearlman, M.D.—and how long you can expect it to last. About the Expert.

Erectile dysfunction: Viagra and other oral medications

Sildenafil (Viagra). This medicine works best when you take it on an empty stomach an hour before sex. The body takes longer to absorb it after a high-fat meal or alcohol. Its effects often last for 4 to 5 hours. It might work longer if you have mild to moderate erectile dysfunction. Vardenafil.