The most commonly reported side effects of fluoroestradiol include no adverse event, false negative investigation result, and product with quality issue administered, based on 13 FDA adverse event reports from 2023 to 2025. 15.4% of reports found the drug to be ineffective.
Percentages show how often each reaction appears relative to total reports for fluoroestradiol.
These are voluntary reports and do not establish that fluoroestradiol caused these reactions.
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Other drugs that appear in adverse event reports alongside fluoroestradiol. Drugs flagged as a suspected cause appear in the first column. Drugs taken at the same time but not suspected appear in the second.
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.
76.9% of fluoroestradiol adverse event reports involve female patients and 0.0% involve male patients. The largest age group is adult at 67%. These figures reflect who reports side effects, not underlying risk.
Sex
Age group
Conditions and purposes for which patients were taking fluoroestradiol when the adverse event was reported.
An upward trend reflects increased FAERS reporting overall, not necessarily increased risk.
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