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

  • Doxorubicin
  • Tamoxifen

Alternative Names

Evening Primrose; Oenothera biennis; Sun Drop

Version Info

  • Last Reviewed on 01/31/2007
  • 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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This page was last updated: May 31, 2013

         
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