Drug-induced dermatomyositis after lacosamide: A case report

Dermatomyositis (DM) is an autoimmune connective tissue disease characterized by cutaneous manifestations, muscle inflammation, and proximal muscle weakness. DM may develop in patients after an environmental insult initiates an autoimmune reaction in genetically predisposed individuals.1 Environmental triggers of DM cited in the literature include ultraviolet radiation, viruses, vaccines, medical devices, emotional stress, and drugs.2 Although the role of drug-induced DM is not well established, many drugs have been implicated in the development of DM.