Viagra

What is Viagra?

Viagra is a treatment for male erectile dysfunction (ED). It's a pill you take only when you want to have sex. Viagra helps men with ED get and keep an erection when they become sexually stimulated.

How does Viagra work?

Viagra enables many men with erectile dysfunction to respond to sexual stimulation. Viagra increases blood flow to the penis, so that when a man is sexually excited, he can get and keep an erection. When the sexual encounter is complete, the erection goes away.

How long does it take for Viagra to work?

Viagra can work in the body in as fast as thirty minutes and can last for at least four hours.

How often should Viagra be taken?

Viagra can be taken once a day as needed for a majority of patients. In patients taking certain protease inhibitors it is recommended to not exceed a maximum single dose of 25 mg of VIAGRA in a forty eight hour period.

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This health information is provided for educational purposes only and should not replace discussions with your doctor.