Dasatinib is one of the second-generation tyrosine kinase inhibitors (TKI) that used as the first line for the treatment of Philadelphia chromosome (Ph) positive chronic myeloid leukemia (CML). Several cardiovascular side effects such as pleural-pericardial effusion, pulmonary hypertension, prolonged QTc interval, and platelet dysfunction have been reported. A 59-year-old female with worsening dyspnoea was diagnosed with cardiac tamponade twice in six months period after initiation of Dasatinib

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... 100 mg per day for CML. She was successfully treated with drainage of effusion percutaneously and discontinuation of Dasatinib. Recurrent cardiac tamponade is a rare complication related to the use of Dasatinib. It should be kept in mind that Dasatinib is a potential agent for pericardial effusion, especially when other possibilities are excluded.