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Note: The resources listed in this guide are not intended to be fully systematic or complete, nor does inclusion here imply any endorsement or recommendation by The University of Maryland or the Center for Integrative Medicine. The University of Maryland and the Center for Integrative Medicine make no warranties, express or implied, about the value or utility for any purpose of the information and resources contained herein.

Possible Interactions with: Evening Primrose

Interactions:

Evening primrose oil (EPO) may alter the effects of some prescription and non-prescription medications. If you are currently being treated with any of the following medications, you should not use EPO without first talking to your health care provider.

Phenothizines -- Individuals taking a class of medications called phenothiazines (such as chlorpromazine, fluphenazine, perphenazine, promazine, and thioridazine) to treat schizophrenia should not take EPO because it may interact with these medications and increase the risk of seizures.

Drug Interactions:

CephalosporinsCyclosporineDoxorubicinNonsteroidal Anti-inflammatory Drugs (NSAIDs)PhenothiazinesTamoxifen

Alternative Names:

Evening Primrose; Oenothera biennis; Sun Drop

Reviewed last on: 1/31/2007
Ernest B. Hawkins, MS, BSPharm, RPh, Health Education Resources; and Steven D. Ehrlich, N.M.D., private practice specializing in complementary and alternative medicine, Phoenix, AZ. Review provided by VeriMed Healthcare Network.

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