FDA issues urgent warning about dangerous ingredients found in common sexual enhancement supplements sold in stores and ...

Still, it can be dangerous — even life-threatening — if you have existing heart-related concerns. Additionally, sildenafil can interact with drugs called nitrates, which are commonly ...

There have been few studies of sildenafil in renal-allograft recipients with erectile dysfunction, and the studies that have been conducted were not double-blinded or placebo-controlled.

Sildenafil can still be used to treat hypertension ... pairing it with another drug that reduces blood pressure could lead to a dangerous or potentially fatal drop in blood pressure.