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Cialis and Levitra also linked to NAION

Cialis is manufactured and marketed by Eli Lilly. In May 2005, Eli Lilly changed the adverse warnings section of Cialis' label to confirm to FDA requirements because Cialis was linked to 4 cases of nonarteritic ischemic optic neuropathy (NAION), a "stroke of the eye" that occurs when blood flow is restricted to the optic nerve, causing partial or total loss of vision. While some vision loss has been mild, NAION is a permanent, irreversible condition. Levitra was linked to one additional case of NAION.

Those most at risk for NAION while taking erectile dysfunction drugs are patients older than 50 who also have the following conditions:

  • Diabetes
  • High blood pressure
  • Heart disease
  • High cholesterol

How We Can Help

If you or someone you love has suffered NAION after taking Viagra, Cialis, or Levitra, consider consulting a personal injury lawyer to determine if you may be entitled to compensation for your suffering. There is never any obligation to hire us, and the conversation about your case is free. NAION begins as a relatively painless annoyance, but its effects are permanent.

Learn more about NAION

NAION results from a sudden loss of blood flow to the optic nerve at the back of the eye. Usually linked to cataracts or macular degeneration, NAION has occurred in 43 cases of men taking Viagra, Cialis or Levitra for ED. In all cases it has resulted in permanent vision loss.

Learn More about Viagra

Viagra is the most popular pill in the U.S., according to its manufactuer, Pfizer, Inc. Viagra has long been known to cause visual side effects and has now been linked to NAION, a “stroke of the eye” that causes permanent loss of vision.