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Viagra, Levitra, Cialis Must Warn of Eye Problems:
FDA
July 9, 2005 - The Food and Drug Administration
yesterday approved updated labeling for Cialis, Levitra and Viagra to
reflect a small number of post-marketing reports of sudden vision loss,
attributed to NAION (non arteritic ischemic optic neuropathy), a
condition where blood flow is blocked to the optic nerve.
The FDA advises patients to stop taking these
medicines, and call a doctor or healthcare provider right away if they
experience sudden or decreased vision loss in one or both eyes. Further,
patients taking or considering taking these products should inform their
health care professionals if they have ever had severe loss of vision,
which might reflect a prior episode of NAION. Such patients are at an
increased risk of developing NAION again.
At this time, it is not possible to determine
whether these oral medicines for erectile dysfunction were the cause of
the loss of eyesight or whether the problem is related to other factors
such as high blood pressure or diabetes, or to a combination of these
problems, said the FDA statement.
The new labeling information is available along
with additional information for healthcare providers and consumers
online at:
Viagra
(http://www.fda.gov/cder/consumerinfo/viagra/vIAGRA.htm)
Levitra
(http://www.fda.gov/cder/drug/infopage/vardenafil/default.htm)
Cialis
(http://www.fda.gov/cder/drug/infopage/cialis/default.htm)
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