Pfizer Inc., the world’s largest drug maker, said Tuesday that a review of its impotence drug Viagra found no evidence of increased risk of blindness among patients taking the drug.
“After more than 10 years of rigorous clinical study and worldwide safety monitoring of a medicine used by more than 27 million men, there is no […]

A lawsuit was filed against Pfizer Inc. on behalf a Texas man who claims he suffered blindness after taking its erectile dysfunction drug Viagra, Reuters reported last week.
In May, the Food and Drug Administration said it was examining rare reports of partial vision loss in some men taking impotence drugs Viagra and rival drug Cialis […]

The Food and Drug Administration said last week it is examining rare reports of partial vision loss in some men taking impotence drugs Viagra (made by Pfizer) and Cialis (made by El Lilly & Co.).
Pfizer said outside of clinical trials, Viagra has been used by more than 23 million men worldwide over the past seven […]

U.S. Food and Drug Administration warned consumers on Tuesday not to purchase or use Actra-Rx or Yilishen because they contain the active ingredient found in the prescription drug Viagra and may cause a significant lowering of blood pressure to an unsafe level.
In an FDA Talk Paper, the agency that it also issued an Import Alert […]