The most commonly reported side effects of trifluoperazine include weight increased, toxicity to various agents, and suicide attempt, based on 2,015 FDA adverse event reports from 2004 to 2025. 15.7% of reports found the drug to be ineffective.
Percentages show how often each reaction appears relative to total reports for trifluoperazine.
These are voluntary reports and do not establish that trifluoperazine caused these reactions.
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Other drugs that appear in adverse event reports alongside trifluoperazine. 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.
50.9% of trifluoperazine adverse event reports involve female patients and 42.4% involve male patients. The largest age group is adult at 74%. These figures reflect who reports side effects, not underlying risk.
Sex
Age group
Conditions and purposes for which patients were taking trifluoperazine when the adverse event was reported.
Showing 15 of 108 indications
Trifluoperazine is sold under the brand name Stelazine.
An upward trend reflects increased FAERS reporting overall, not necessarily increased risk.
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