Keywords: IVIG, intravenous immunoglobulin; JAK inhibitors; JK, Janus kinas; MMP, mucous membrane pemphigoid; TNF, tumor necrosis factor; autoimmune blistering skin disease; baricitinib; cicatricial pemphigoid; conjunctiva; esophageal mucosa; methotrexate; mouth mucosa; mucous membrane pemphigoid; ocular cicatricial pemphigoid; oral ulcers; tongue.