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flag Wegovy linked to significantly higher risk of sudden vision loss vs. other semaglutide drugs, FDA warns.

flag A new study links Wegovy, a high-dose semaglutide injection for weight loss, to a significantly higher risk of sudden vision loss—non-arteritic anterior ischemic optic neuropathy (NAION)—compared to other semaglutide drugs like Ozempic and Rybelsus. flag Analyzing over 30 million FDA adverse event reports from 2017 to 2024, researchers found Wegovy had nearly five times the NAION risk of Ozempic and more than three times higher risk in men. flag The higher risk may be tied to Wegovy’s injection form, higher dose, and faster absorption, while Rybelsus, an oral form, showed no NAION cases. flag No increased risk was found with tirzepetide. flag Though Novo Nordisk maintains no causal link is proven and benefits outweigh risks, safety warnings have been added. flag Experts call for further research to clarify risks and guide prescribing.

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