The most commonly reported side effects of levamisole include toxicity to various agents, drug abuse, and drug use disorder, based on 711 FDA adverse event reports from 2004 to 2025.
Percentages show how often each reaction appears relative to total reports for levamisole.
These are voluntary reports and do not establish that levamisole caused these reactions.
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Other drugs that appear in adverse event reports alongside levamisole. 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.
27.6% of levamisole adverse event reports involve female patients and 56.4% involve male patients. The largest age group is adult at 88%. These figures reflect who reports side effects, not underlying risk.
Sex
Age group
Conditions and purposes for which patients were taking levamisole when the adverse event was reported.
Showing 15 of 44 indications
Levamisole is sold under the brand name Ergamisol.
An upward trend reflects increased FAERS reporting overall, not necessarily increased risk.
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