Sildenafil citrate and other PDE5 inhibitors like Cialis ... The most common starting dose is 50mg. Most of the time, your ...

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.

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 ...