Oral diabetes medications other than dipeptidyl peptidase-4 inhibitors are not associated with bullous pemphigoid: a Finnish nationwide case control study

Dipeptidyl peptidase-4 inhibitor (DPP-4i) medication increases the risk of bullous pemphigoid. In this case control study from a Finnish patient registry, conventional oral anti-diabetic medications were not associated with increased risk of bullous pemphigoid. Diabetes medications other than DDP-4i may be safe to use in patients with bullous pemphigoid.