GLP-1 Users Report Troubling Nail Changes

A recent study presented at the European Academy of Dermatology and Venereology's 2026 Congress in Vienna has identified a potential association between the use of GLP-1 medications and nail changes, including lifting and discoloration. Researchers found that nearly 40% of individuals taking GLP-1s reported their nails lifting from the nail bed, and 46% experienced nail discoloration. These figures were significantly higher than in a control group of individuals with obesity or type 2 diabetes who had not taken GLP-1s.

Despite the observed correlation, experts emphasize that the research is preliminary and does not definitively prove that GLP-1 medications cause these nail conditions. Many participants reported pre-existing nail issues, and other health factors like psoriasis and iron deficiency could also contribute to nail changes. After accounting for these factors, the links remained, though weakened.

Further investigation is warranted, but experts stress that patients should not stop taking their GLP-1 medications based on these findings alone. Potential explanations for the nail issues include reduced appetite affecting nutrient intake or the body's stress response to rapid weight loss. However, some nail changes like lifting are not clearly linked to these factors.

Individuals experiencing nail changes are advised to photograph the affected nails, note the onset, and consult their prescriber or a dermatologist. Avoiding nail cosmetics and aggressive cuticle care may help while awaiting evaluation. Treatment will depend on the underlying cause, which requires professional diagnosis.