The most commonly reported side effects of pyrethrins include lice infestation, pruritus, and dyspnoea, based on 125 FDA adverse event reports from 2004 to 2024. 7.2% of reports found the drug to be ineffective.
Percentages show how often each reaction appears relative to total reports for pyrethrins.
These are voluntary reports and do not establish that pyrethrins caused these reactions.
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Other drugs that appear in adverse event reports alongside pyrethrins. 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.
78.4% of pyrethrins adverse event reports involve female patients and 18.4% involve male patients. The largest age group is adult at 49%. These figures reflect who reports side effects, not underlying risk.
Sex
Age group
Conditions and purposes for which patients were taking pyrethrins when the adverse event was reported.
Pyrethrins is sold under the brand name Rid Mousse.
An upward trend reflects increased FAERS reporting overall, not necessarily increased risk.
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