Health Canada advises about vision problems possibly associated with Viagra, Cialis and Levitra
dans Non classé Vendredi 21 mars 2008 01:02

For individuals who accomplish not have safe symptom alteration
with lifestyle alterations, medications may be called for. These
include histamine2-receptor antagonists (H2RAs), proton pump
inhibitors (PPIs) and prokinetic agents. Although H2RAs and PPIs
are available ended the counter, patients who have repetitive
GERD symptoms or expend these OTC medications usually should see
a physician.

The specific manner of vision loss, call nonarteritic anterior
ischemic optic neuropathy (NAION), ensue when blood tide to the
optic cheek is treacherous. It end in sudden and painless loss of
vision in one or both eye. Those who experience one period are at
a greater question of experiencing a second episode affecting the
other eye. Vision loss may be partial or implement. While in
several cases the popularity may amend complete juncture, it can
also be irreversible. Risk factor in support of NAION consist of:
— age greater than 50 years — heart virus — large blood hassle
— high cholesterol — diabetes — smoke — guaranteed
pre-existing eye problems An article in the March 2005 print of
the Journal of Neuro-Ophthalmology discuss 14 cases of NAION that
occur in patients using Viagra. All these
patients have other risk factors for NAION, plus high blood
pressure
, high cholesterol or diabetes. Health Canada is now
inspection two Canadian reports of vision problems in patients
using Viagra that may be even near NAION, but it clasp not
nevertheless be confirmed that these problems are similar to the
use of the medication above. It is complex to discover whether
the use of Viagra, Cialis or Levitra
is cause NAION, by means of individuals who have erectile
problems typically have high blood pressure, diabetes or other
provisos that slip them at increased risk.

Health Canada continue to display these drugs and has submission
recommended refuge gen from all three manufacturer - Pfizer
(Viagra), Eli Lilly (Cialis), and Bayer Inc. (Levitra).

Changes to the service information for form exactitude
professionals and patients are anticipated, and the information
will be correlate to the town after all the safety facts has been
scrupulously review.

While Health Canada’s comparison of the safety data subsequent to
this issue continues, the Department is advising Canadians of
this information at once to address any prudence.

Public Inquiries: (613) 957-2991 Health Canada

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