Confirmation of Metformin-Induced Acute Generalized Exanthematous Pustulosis Through a Positive Dechallenge-Rechallenge Test: A Case Report and Review of Cutaneous Manifestations Associated With Metformin
Abstract
Metformin, a widely used first-line treatment for type 2 diabetes mellitus (T2DM), is known for its efficacy and safety profile. While gastrointestinal disturbances are the most commonly reported with metformin use, dermatologic reactions, particularly severe ones, are rare and underrecognized. We present a case of a 45-year-old male with a history of atrial fibrillation who developed acute generalized exanthematous pustulosis (AGEP) after initiating metformin for prediabetes.
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Evidence Hub reads this as a case report, done in people. Its evidence level is 5 of 5 (Very low · case / narrative / animal / in vitro / in silico). Case reports, narrative reviews, and animal, cell or computer-model studies give the weakest evidence for human health.
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