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Viagra (Sildenafil) Medication Information

Men who have erectile dysfunction (ED) may be prescribed the drug Viagra® (sildenafil citrate). This medication works by blocking the chemical process that causes blood to flow out of the penis. More blood flow in the penis leads to an improved erection.
 
Viagra comes in tablet form and is taken as needed, usually one hour before sexual activity. However, you should not take it more than once a day.
 
While most men have no problems during treatment with Viagra, side effects are possible. Some men are more likely to have an adverse reaction to this drug. Informing your healthcare provider about all medical conditions you have (including heart problems) and any medicines you are taking (including vitamins and supplements) will help your healthcare provider determine if Viagra is right for you.
 
(Click Viagra for more information on this medication, including general dosing guidelines, how soon it starts working, what to do in cases of overdose, and more.)
 

Viagra (Sildenafil) Medication Information

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