Keywords: BP, bullous pemphigoid; DABP, drug-associated bullous pemphigoid; DPP-4is, dipeptidyl peptidase-4 inhibitors; ELISA, enzyme-linked immunosorbent assay; GLP-1, glucagon-like peptide-1; IIF, indirect immunofluorescence; IgG, immunoglobulin G; diabetes mellitus; drug interactions; glucagon-like peptide-1; pemphigoid; semaglutide.