(HealthDay News) -- The U.S. Food and Drug Administration is calling for new warning labels on a class of drugs used primarily to treat enlarged prostates, because the medications may raise the risk of developing an aggressive form of prostate cancer.
In a statement released Thursday, the agency said the drugs involved include popular medications sold under the brand names Proscar and Propecia (sold by Merck & Co.) and Avodart and Jalyn (sold by GlaxoSmithKline).
According to the FDA, almost 5 million men were prescribed one of these medications between 2002 and 2009. Of these, nearly 3 million men were between the ages of 50 and 79.
The agency is advising doctors not to start patients on these drugs until prostate cancer -- which can mimic the symptoms of an enlarged prostate -- and other urological conditions have been ruled out.
According to the agency, this new warning is based on the results of two large prostate cancer trials. Read more...
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