The most commonly reported side effects of dienestrol include endometriosis, drug intolerance, and hypertension, based on 56 FDA adverse event reports from 2005 to 2025. 82.1% of reports found the drug to be ineffective.
Percentages show how often each reaction appears relative to total reports for dienestrol.
These are voluntary reports and do not establish that dienestrol caused these reactions.
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Other drugs that appear in adverse event reports alongside dienestrol. 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.
82.1% of dienestrol adverse event reports involve female patients and 5.4% involve male patients. The largest age group is adult at 94%. These figures reflect who reports side effects, not underlying risk.
Sex
Age group
Conditions and purposes for which patients were taking dienestrol when the adverse event was reported.
Dienestrol is sold under the brand name Estraguard.
An upward trend reflects increased FAERS reporting overall, not necessarily increased risk.
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