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Edited on Tue Aug-09-05 08:57 AM by IanDB1
Canada issues warning on Viagra vision loss Tue Jul 26, 4:48 PM ET
TORONTO (Reuters) - Canada advised users of the erectile dysfunction drugs Viagra, Cialis or Levitra on Tuesday to seek "immediate medical attention" if they experience sudden vision loss or other vision problems when taking the drugs.
Health Canada, the federal health ministry, also said in a statement it was likely to change the product information for the three popular drugs.
Earlier this month the U.S. Food and Drug Administration approved new labeling to warn men about possible blindness from Pfizer Inc.'s Viagra.
The U.S. warning labels also affect Cialis, sold by Eli Lilly & Co. and Icos Corp., and Levitra, which is co-promoted by GlaxoSmithKline and Bayer AG .
"Health Canada is advising individuals who use the drugs Viagra, Cialis and Levitra to consult their physicians and seek immediate medical attention if they experience sudden vision loss or vision-related problems while taking these drugs," the statement said.
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