Metformin-Induced Generalized Bullous Fixed-Drug Eruption with a Positive Dechallenge-Rechallenge Test: A Case Report and Literature Review

<div>Generalized bullous fixed-drug eruption. (a, b) A positive rechallenge phenomena and reappearing of generalized bullous formation after restarting of metformin. (c, d) Bullous formation with central dusky appearance after restarting of metformin on the lower extremities and perineum.</div>

Case Reports in Dermatological Medicine

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Figure 1: Metformin-Induced Generalized Bullous Fixed-Drug Eruption with a Positive Dechallenge-Rechallenge Test: A Case Report and Literature Review 

Figure 1 | Metformin-Induced Generalized Bullous Fixed-Drug Eruption with a Positive Dechallenge-Rechallenge Test: A Case Report and Literature Review 