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Thread: U.S. Probes Viagra 'Blindness Risk'

  1. #1
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    U.S. Probes Viagra 'Blindness Risk'

    US probes Viagra 'blindness risk'

    http://news.bbc.co.uk/2/hi/health/4587191.stm

    (Gold9472: Where'd everybody go?)

    US health officials are examining reports of varying degrees of blindness among a small number of men using the anti-impotence drug Viagra.
    The Food and Drug Administration (FDA) has identified 50 cases of the condition, which can occur in men with heart disease or diabetes.

    The FDA says it has as yet found no evidence that Viagra is to blame for the condition.

    More than 20 million men worldwide have used the drug since its launch in 1998.

    A spokesman for Pfizer, the makers of the drug, said the company was considering changing its warning on the drug label.

    "We are in discussions with the FDA to update our language to reflect these rare ocular events that have occurred," said Daniel Watts.

    He said that men who took Viagra often already had those types of diseases that could cause blindness.

    Simple test

    There have been no reports of the condition among 13,000 people tested in clinical trials for the drug.

    The condition, known as nonarteritic anterior ischemic optic neuropathy (NAION), causes a rapid reduction of vision and can, in the most serious cases, lead to blindness.

    Dr Howard Pomeranz, co-author of a report on the condition published in the Journal of Neuro-ophthalmology in April, said the drug had long been linked to sight problems.

    Viagra was known to cause temporary colour changes in some men's vision, he said, but NAION was a much more serious condition.

    In an interview for the US ABC network on Friday, he said the problem may have been underreported as most people would not think to mention to their ophthalmologist that they were taking the drug.

    But Dr Pomeranz said men could avoid the condition by undergoing a simple screening test.
    No One Knows Everything. Only Together May We Find The Truth JG


  2. #2
    somebigguy Guest
    They say playing with it will make you blind too.

  3. #3
    princesskittypoo Guest
    i heard this on the radio this morning... it's an awful shame... i think i would still use it if it was me... i'd risk the blindness....

  4. #4
    beltman713 Guest
    It is only if you use viagra for masturbation.

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