Like other prescription medicines, Viagra and its generic form, sildenafil, work best when you take them under the right conditions. From your mental state to your eating habits, a range of factors ...

This story was reviewed by Mike Bohl, MD. In the ‘80s, researchers set out to test a medication called sildenafil citrate for ...

To help control misuse, Viagra and other FDA-approved ED medications are only available in the United States with a prescription from a licensed healthcare provider. The process of getting a ...