FDA warns of vision loss risk linked to popular GLP-1 drugs like Wegovy, Zepbound

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The U.S. Food and Drug Administration is requiring new safety warnings on all GLP-1 drugs after finding evidence of a potential increased risk of a rare eye condition, the agency said on Monday. The condition, which can cause sudden vision loss, known as nonarteritic anterior ischemic optic neuropathy (NAION), is rare, and a causal relationship has not been established. The FDA is requiring the makers of all GLP-1 medications to add a warning about the potential increased risk of NAION associated with use of these medications, it said. NAION is a condition that can result in sudden decreased vision, including permanent vision loss.