Do not take evening primrose without first talking to your doctor if you
- have epilepsy or another seizure disorder;
- have schizophrenia; or
- are taking a phenothiazine medication including chlorpromazine (Thorazine), fluphenazine (Prolixin, Permitil), mesoridazine (Serentil), perphenazine (Trilafon), prochlorperazine (Compazine), promethazine (Phenergan, Promethegan), thioridazine (Mellaril), trifluoperazine (Stelazine), or triflupromazine.
There may be an increased risk of seizures while taking evening primrose if you have either or the conditions, or are taking any of the medications listed above.
Talk to your doctor before taking evening primrose if you have any other medical conditions, allergies (especially to plants), or if you take other medicines or herbal/health supplements. Evening primrose may not be recommended in some situations.
Do not take evening primrose without first talking to your doctor if you are pregnant or could become pregnant. It is not known whether evening primrose will harm an unborn baby.
Do not take evening primrose without first talking to your doctor if you are breast-feeding a baby. It is also not known whether evening primrose will harm a nursing infant.
There is no information available regarding the use of evening primrose by children. Do not give any herbal/health supplement to a child without first talking to the child’s doctor.
There are no known restrictions on food, beverages, or activity while taking evening primrose, unless otherwise directed by your health care provider.
Seek emergency medical attention or notify your doctor immediately.
Reported symptoms of a evening primrose overdose have included loose stools and abdominal pain. Reported overdoses have not been life-threatening.
No information is available regarding a missed dose of evening primrose. Consult your doctor, pharmacist, or health care provider if you require further information.
Although uncommon, serious side effects have been reported with the use of evening primrose. Stop taking evening primrose and seek emergency medical attention if you experience:
- a serious allergic reaction (difficulty breathing; closing of your throat; swelling of your lips, tongue, or face; or hives); or
Other less serious side effects that have been reported more commonly include:
- softening of the stools, and
Side effects other than those listed here may also occur. Talk to your doctor, pharmacist, or health care professional about any side effect that seems unusual or that is especially bothersome. You may report side effects to FDA at 1-800-FDA-1088.
Do not take evening primrose without first talking to your doctor if you are taking any of the following medicines:
- any medicine to treat seizures or epilepsy,
- chlorpromazine (Thorazine),
- fluphenazine (Prolixin, Permitil),
- mesoridazine (Serentil),
- perphenazine (Trilafon),
- prochlorperazine (Compazine),
- promethazine (Phenergan, Promethegan),
- thioridazine (Mellaril),
- trifluoperazine (Stelazine), or
There may be an increased risk of seizures in patients who take evening primrose with any of the medications listed above. You may not be able to take evening primrose, or you may require a dosage adjustment or special monitoring during your treatment.
No other interactions between evening primrose and other medicines have been reported. Talk to your doctor, pharmacist, or health care provider before taking any prescription or over-the-counter medicines or other herbal/health supplements.
Evening Primrose, Evening Primrose Oil, Primrose Oil, and evening primrose
Available Strengths & Dosages
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Copyright 1996-2004 Cerner Multum, Inc. Version 2.05. Revision date 8/23/04