A member asked:

What is the adverse effect of viagra (sildenafil)?

A doctor has provided 1 answer
Dr. Alvin Lin answered

Viagra (sildenafil) side effects: Check out http://www.drugs.com/sfx/viagra-side-effects.html for info on Viagra (sildenafil) side effects, which actually apply in general to all drugs in PDE-5 inhibitor class. Most common complaints are referable to increase blood flow (which is what improves erectile function) eg muscle aches & sinus/nasal congestion. There are rare reports of sudden loss of sight & hearing. Do not take w/nitro

Answered 8/22/2015

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