Resource for those suffering from male sexual-health problems lets users ask questions or share personal experiences anonymously.

Find dosage instructions, side effects, drug interactions and special warnings for this impotence treatment, also known as sildenafil citrate.

Articles profiles a study that shows that Viagra does not help old women with sexual dysfunction.

Dr. Dean Edell discusses a few FDA-tested drugs that help men with erectile dysfunction. Vasomax and Uprima both act faster than Viagra.

Despite the FDA's recommendation against women using Viagra, some women claim benefits.

Dr. Dean Edell profiles a natural alternative to Viagra. Virility Plus is a herbal remedy based on an old Scandinavian formula.

Read this article about how a man in his 50s sought a cure for impotence, otherwise known as erectile dysfunction, and found Viagra.

Transcript from this PBS program's Q&A with a urologist explores how impotence occurs and looks at the benefits and pitfalls of Viagra use.

Read technical information from the makers of the drug, sildenafil citrate (Viagra), that treats impotence.

Read information from Pfizer about the danger of taking Viagra combined with sublingual nitroglycerin for an angina attack.

FDA offers warnings on the possible side effects of Viagra. Find out about harmful drug interactions and about who should avoid this drug.

Answers questions about how Viagra works and what it's for. Get the basics on this erectile-dysfunction drug.

Contains advice for patients on what they should do before they take this drug, plus details of its possible side effects.

Join this moderated discussion group, which covers the hot issues surrounding this drug for impotence. Moderated by Dr. Brian McDonough.