The most commonly reported side effects of potassium bitartrate include pregnancy, abortion spontaneous, and vulvovaginal burning sensation, based on 204 FDA adverse event reports from 2014 to 2025. 29.9% of reports found the drug to be ineffective.
Percentages show how often each reaction appears relative to total reports for potassium bitartrate.
These are voluntary reports and do not establish that potassium bitartrate caused these reactions.
Report severity
Seriousness is determined by the reporter, not by OpenClaim.
Other drugs that appear in adverse event reports alongside potassium bitartrate. 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.
33.3% of potassium bitartrate adverse event reports involve female patients and 7.4% involve male patients. The largest age group is adult at 85%. These figures reflect who reports side effects, not underlying risk.
Sex
Age group
Conditions and purposes for which patients were taking potassium bitartrate when the adverse event was reported.
Potassium Bitartrate is sold under the brand name Phexxi.
An upward trend reflects increased FAERS reporting overall, not necessarily increased risk.
Ask OpenClaim about your specific drug combination. Get a sourced report using FDA data, drug labels, and medical literature.