Viagra (sildenafil)

VIAGRA (sildenafil) – a phosphidiesterase-5 (PDE-5) inhibitor drug commonly used to treat erectile dysfunction in men. The physiologic mechanism of erection of the penis involves release of nitric oxide (NO) in the corpus cavernosum during sexual stimulation. NO then activates the enzyme guanylate cyclase, which results in increased levels of cyclic guanosine monophosphate (cGMP), producing […]

Androgel (testosterone 1% gel)

ANDROGEL (testosterone gel) – a topical testosterone replacement product commonly for replacement therapy in males for conditions associated with a deficiency or absence of endogenous testosterone. AndroGel exerts its effect by delivering physiologic amounts of testosterone, producing circulating testosterone concentrations that approximate normal concentrations seen in healthy men. FDA approved uses: Androgel is indicated for […]