Cialis

tadalafil

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

In October 2007, the United States Food and Drug Administration (FDA) mandated label changes on erectile dysfunction (ED) drugs, including Cialis, to include the potential risk of sudden hearing loss.