Interferon Beta-1a Cardiomyopathy in a Patient with Multiple Sclerosis: Case Report

•Beta interferons can be related to cardiomyopathy in multiple sclerosis patients.•Interferon induced cardiomyopathy can occur at any time during the treatment.•This is not related to age, previous cardiac status and cardiac risk factors.•This side effect is reversible following drug discontinuation. This is a descriptive case report of a 43-year-old woman admitted to neurology clinic on December 23, 2018, because of chest discomfort and palpitation. She had been diagnosed with multiple sclerosis (MS) two years earlier. Reviewing the literature (Pub Med, Google Scholar, ISI Web of Knowledge, SCOPUS, ProQuest, and Science Direct) indicated that this case is the first report on interferon beta-1a related cardiomyopathy.