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What are the evening primrose oil side effects?

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According to WebMD, the most common side affects of an evening primrose supplement are digestive troubles and headaches. Its safety during pregnancy has not been established. Evening primrose oil may increase the chance of bleeding and therefore should not be taken by anyone with a bleeding disorder or within two weeks of surgery. For those susceptible to seizures, it can make seizures more likely and should be avoided.

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What are the evening primrose oil side effects?
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WebMD also notes that evening primrose oil taken in conjunction with drugs used to treat schizophrenia can cause seizures. As evening primrose oil may slow blood clotting, WedMD states it should not be taken in conjunction with any other drug with anti-coagulant properties. Common drugs in this category include aspirin, ibuprofen, naproxin, Plavix, Fragmin and warfarin. In addition to the bleeding risk, WebMD notes that there is concern that evening primrose oil interacts negatively with anesthesia and should be avoided before surgery. According to the National Institutes of Health, there is not enough scientific proof to suggest treating any condition with evening primrose oil, but anyone consuming the supplement should consult their doctor to avoid negative drug interactions. MedicineNet notes that the FDA does not evaluate the efficacy or safety of evening primrose oil, and that people should ask a pharmacist for a brand recommendation.

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