Linagliptin-associated bullous pemphigoid treated with rituximab.

Dipeptidyl peptidase 4 (DPP-4) inhibitors are increasingly used these days in management of diabetes. There has been reported in a few case reports of increasing association between DPP-4 inhibitor use and bullous pemphigoid (BP). We report a case of association between linagliptin use and BP and subsequent treatment with rituximab.