Vigora 100 mg is a medication commonly used to treat erectile dysfunction (ED) in men. The active ingredient in Vigora is sildenafil citrate, which belongs to a class of drugs known as phosphodiesterase type 5 (PDE5) inhibitors.Sildenafil citrate works by inhibiting the enzyme phosphodiesterase type 5 (PDE5), which plays a role in regulating blood flow to the ****. By inhibiting PDE5, sildenafil increases the levels of cyclic guanosine monophosphate (cGMP), leading to relaxation of the smooth muscles in the blood vessels of the ****.
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