The difference lies primarily in the effective ... Viagra contains the active ingredient sildenafil. Sildenafil citrate (generic Viagra) is considered an on demand treatment for ED, meaning ...

Both are effective treatment options for ED and there are no differences between Viagra and sildenafil in terms of active ingredients. They both work in the same way. You can get branded and ...

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 ...

Purpose: The stability of sildenafil citrate 2.5 mg/mL in two extemporaneously prepared oral suspensions stored at 4 and 25 ºC was studied. Methods: Thirty 25-mg tablets of sildenafil citrate ...