Alert on Compounded Semaglutide Overdoses

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FDA has issued a warning about adverse event reports it has received that may be related to overdoses due to dosing errors associated with compounded semaglutide injectable products. “Dosing errors have resulted from patients measuring and self-administering incorrect doses of the drug and health care providers miscalculating doses of the drug,” an FDA drug safety alert says. Semaglutide is the active ingredient in Novo Nordisk’s diabetes drug Ozempic and its weight-loss drug Wegovy.

The agency says that many of the patients who receive vials of compounded semaglutide lack experience with self-injections. “Unfamiliarity with withdrawing medication from a vial into a syringe and coupled with confusion between different units of measurement (e.g., milliliters, milligrams and units) may have contributed to dosing errors,” it says.

The alert urges healthcare providers and compounders to provide patients with the appropriate syringe size for the intended dose and counsel patients on how to measure the intended dose using the syringe. “Additionally, healthcare providers should be vigilant when prescribing and administering compounded semaglutide, as there may be different concentrations available,” it says.

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