Reading Time: 2 minutesIntroduction to Viagra Introduced in 1998, Viagra, generically known as sildenafil, marked a revolutionary advancement in the treatment of erectile dysfunction (ED). Developed initially for cardiovascular issues, its unexpected side effect of improving erections led to a new era in sexual health medicine. This article explores how Viagra has reshaped the landscape of sexual medicine for American males. Mechanism of Action Viagra functions by inhibiting the enzyme phosphodiesterase type 5 (PDE5), which is responsible for the degradation of cyclic guanosine monophosphate (cGMP). By blocking PDE5, Viagra enhances the effects of nitric oxide, a chemical that relaxes smooth muscles in the … Continue reading
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