Generic versions of erectile dysfunction drugs Viagra and Cialis, among other medications, were allowed on the U.S. market using potentially problematic data that call into question their safety and ...

A 2013 study used data from two studies to compare sildenafil in 50mg and 100mg doses. Men with ED were given the 50mg sildenafil dose to be taken as needed before intimacy. After two weeks, those ...

(CNN) — For erectile dysfunction in men with cardiovascular disease, the ED drug phosphodiesterase-5 inhibitors — also known as PDE5i — is a common treatment. But in a new study of more than 60,000 ...

Viagra is available in 25mg, 50mg and 100mg doses. If you’re taking a lower Viagra dosage, this may be the reason the drug isn’t working for you. A 2013 study used data from two studies to compare ...