Viagra is a safe and effective treatment for ED. But as the saying goes, you can have too much of a good thing — and Viagra is no exception.

Sildenafil citrate and other PDE5 inhibitors like Cialis ... your healthcare provider will prescribe sildenafil at a starting ...

Like other medications, sildenafil citrate comes in several doses, ranging from as little as 25 mg a tablet (20 mg when referring to the generic version of Revatio — a medication for a type of ...

But a generic version (and the active ingredient) of this popular medication, sildenafil, is widely available from several drug manufacturers at a fraction of the cost. Here’s more about this ...

Sildenafil citrate is a selective and potent inhibitor of phosphodiesterase type 5 (PDE5). PDE5 is a cyclic guanosine monophosphate (cGMP) specific degrading enzyme that is highly present in the ...