Sildenafil: Viagra for Erectile Dysfunction – Cleveland Clinic
Sildenafil: Viagra for Erectile Dysfunction – Cleveland Clinic Viagra is used in adult males to treat ED. The active ingredient in Viagra is sildenafil. (An active ingredient is what makes a drug work.) The drug comes as a tablet that you swallow. Sildenafil (Viagra) is often the first drug your doctor offers. It’s been on …
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