The most commonly reported side effects of mavacamten include product dose omission issue, atrial fibrillation, and fatigue, based on 3,708 FDA adverse event reports from 2022 to 2025.
Percentages show how often each reaction appears relative to total reports for mavacamten.
These are voluntary reports and do not establish that mavacamten caused these reactions.
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Other drugs that appear in adverse event reports alongside mavacamten. Drugs flagged as a suspected cause appear in the first column. Drugs taken at the same time but not suspected appear in the second.
Also suspected
Taken alongside
Co-occurrence in adverse event reports does not establish a drug interaction. Patients often take multiple medications, and these lists reflect prescribing patterns rather than causal relationships. Consult a healthcare provider about potential drug interactions.
58.3% of mavacamten adverse event reports involve female patients and 26.3% involve male patients. The largest age group is elderly at 63%. These figures reflect who reports side effects, not underlying risk.
Sex
Age group
Conditions and purposes for which patients were taking mavacamten when the adverse event was reported.
Showing 15 of 39 indications
Mavacamten is sold under the brand name Camzyos.
An upward trend reflects increased FAERS reporting overall, not necessarily increased risk.
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