What brand names are available for evening primrose oil?

Evening primrose oil, Common Evening Primrose, Fever plant, Sun drops

Is evening primrose oil available as a generic drug?


Do I need a prescription for evening primrose oil?


What are the side effects of evening primrose oil?

Side effects of Oenothera include:

Other side effects include:

  • increase bruising,
  • bleeding, and
  • seizures.

Is evening primrose oil safe to take if I’m pregnant or breastfeeding?

There are no adequate studies of Oenothera use by pregnant women to determine its safety during pregnancy. It should be avoided by pregnant women.

It is not known whether Oenothera enters breast milk.

What else should I know about evening primrose oil?

What preparations of evening primrose oil are available?

Oenothera is available in capsules, softgels, and liquid extract forms. Concentration of Oenothera may vary from product-to-product due to multiple manufacturers producing various products.

How should I keep evening primrose oil stored?

Because multiple manufacturers make different forms of Oenothera, storage requirements may vary based on individual manufacturer practices.

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Medically Reviewed on 10/22/2019


Oenothera – Medscape

Evening Primrose Oil. Medline Plus