Sildenafil: Viagra for Erectile Dysfunction – Cleveland Clinic
Sildenafil: Viagra for Erectile Dysfunction – Cleveland Clinic Viagra; Descriptions. Sildenafil is used to treat men who have erectile dysfunction (also called sexual impotence). Sildenafil belongs to a group of medicines called phosphodiesterase 5 (PDE5) inhibitors. These medicines prevent an enzyme called phosphodiesterase type-5 from working too quickly. The penis…
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