Study Links GLP-1 Drugs Like Ozempic to Nail Detachment and Hair Loss in New Research
New research presented at the European Academy of Dermatology and Venereology Congress found that GLP-1 medications like Ozempic and Wegovy are associated with higher rates of nail detachment, hair loss, and scalp inflammation. About 39 percent of GLP-1 users reported nail detachment, compared to 9 percent of nonusers.
People taking GLP-1 weight-loss drugs like Ozempic and Wegovy are reporting nail and hair problems at significantly higher rates than nonusers, according to new research presented at the European Academy of Dermatology and Venereology (EADV) Congress in October 2026.
A multinational study involving 575 GLP-1 users and 1,329 control participants found that nail detachment, known as onycholysis, affected 39 percent of GLP-1 users compared to 9 percent of nonusers. Nail discoloration was reported by about 46 percent of users versus 17 percent of nonusers. Overall, about 66 percent of GLP-1 users reported at least one nail disorder.
Hair problems were also more common. Fifty percent of GLP-1 users reported unusual hair loss, compared to 34 percent of nonusers. Loss of hair density was reported by 42 percent of users versus 19 percent of the control group. Scalp redness was three times more common in users, often accompanied by itching or scaling.
Researchers noted that the increased prevalence of nail issues persisted even after controlling for weight loss, suggesting factors beyond caloric reduction may be involved. However, the study was cross-sectional and relied on self-reported symptoms, so it identifies an association rather than direct causation.
Medical experts advise patients not to stop their medication without consulting a doctor. These side effects are generally considered non-serious and often temporary. Maintaining proper nutrition, including adequate protein, iron, zinc, and vitamins B12 and D, is recommended to support hair and nail health during rapid weight loss.
Patients with persistent nail lifting, severe discoloration, or scalp inflammation are encouraged to see a dermatologist to rule out infections or other conditions.
