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Sildenafil
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Sildenafil: Usage, Dosage & Side Effects - Drugs.com
Sildenafil under the name Viagra is used to treat erectile dysfunction (impotence) in men. Another brand of sildenafil is Revatio, which is used to treat …
Sildenafil - Wikipedia
Erectile dysfunction: Viagra and other oral medications
Sildenafil (Viagra), vardenafil (Levitra, Staxyn), tadalafil (Cialis) and avanafil (Stendra) are oral medications that reverse erectile dysfunction by enhancing the effects …