US govt warns of Viagra blindness risk

The US government has warned that the anti-impotence drug Viagra could make people taking it go blind.

US govt warns of Viagra blindness risk
Sat, 09 Jul, 2005 - 09:06

The US government has warned that the anti-impotence drug Viagra could make people taking it go blind.

The Food and Drug Administration ordered that warnings be included on labels for the drug after some users developed a form of blindness – but it cautioned that it’s impossible to know if the pills are to blame.

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