Your healthcare provider just prescribed sildenafil (generic Viagra) for your erectile dysfunction (ED) symptoms. You’re ...

Sildenafil, the active ingredient in Viagra, blocks the action of PDE-5. This means that blood flow to the penis is increased, resulting in an erection that lasts longer. In some cases ...

Several observations from preclinical and short-term clinical studies support a role for sildenafil in the treatment of heart failure patients. The following discussion briefly considers each of ...

Vardenafil typically starts working faster, around 15 to 30 minutes after ingestion, while sildenafil may take 30 to 60 ...