A few months into GLP-1 treatment, many patients encounter an unexpected and distressing side effect: significant hair loss. While alarming, medical experts say this shedding is typically temporary and linked to rapid weight loss rather than the medications themselves. “One of the most distressing things patients tell me when they’re a few months into GLP-1 treatment isn’t about nausea or fatigue. It’s ‘I’m losing my hair ,’” says Dr. Jessica Duncan, a board-certified obesity medicine physician