New-Onset Alopecia Is Significantly Higher with Tirzepatide Than with Semaglutide, Even After Weight-Loss Matching
July 2026
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Preprint — not peer reviewed. This was posted to a preprint server or data repository. It has not been through a journal's review process, and its findings may change or not hold up.
Studysummary In this observational study, researchers found that new users of tirzepatide experienced a higher incidence of alopecia compared to semaglutide users over a 12-month period, with increased risk persisting even when accounting for achieved weight loss and treatment duration.
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