What Are The Side Effects Of Evening Primrose Oil?

What are the uses of Evening Primrose Oil?

Evening Primrose Oil is the oil extracted from the seeds of the plant evening primrose, used to treat the following symptoms:

  1. Eczema, Psoriasis, Acne and other skin diseases
  2. Rheumatoid arthritis
  3. The bone becomes weak (osteoporosis)
  4. Raynaud’s syndrome
  5. Multiple sclerosis
  6. Sjogren’s syndrome
  7. cancer
  8. High cholesterol
  9. heart disease
  10. Dyspraxia
  11. Leg pain due to blocked blood vessels (intermittent claudication)
  12. Alcoholism
  13. Alzheimer’s disease
  14. Schizophrenia

Some people treat with Evening Primrose Oil:

  1. Chronic fatigue syndrome
  2. Asthma
  3. Because of the nerve damage caused by Diabetes
  4. Neurodermatitis
  5. Hyperactivity and Attention deficit-hyperactivity disorder (ADHD)
  6. obesity
  7. Whooping cough
  8. Gastrointestinal diseases, including Ulcerative colitis, Irritable bowel syndrome, Peptic ulcer

During pregnancy, women are treated with Evening Primrose Oil:

  1. Prevention of high blood pressure (preeclampsia)
  2. Shorten the pain time
  3. Let the birth begin
  4. Prevent production delays

Women also use Evening Primrose Oil to treat:

  1. Premenstrual syndrome
  2. Breast pain
  3. Endometriosis
  4. Symptoms of menopause, such as hot flashes

In terms of food, Evening Primrose Oil is a source of essential fatty acids in the diet. In terms of finished products, Evening Primrose Oil is an ingredient in soaps and cosmetics.

Efficacy principle of Evening Primrose Oil

Regarding the medicinal efficacy of Evening Primrose Oil, there is not yet enough research to support and prove it. If you have any questions, please consult your Herbalist or physician for more information.

However, Evening Primrose Oil is known to contain fatty acid. Women with breast pain may be caused by insufficient amounts of certain fatty acids in the body.

In addition, fatty acids also help to slow down inflammation symptoms like arthritis and eczema.


If you have the following situations, please consult a physician, pharmacist, or herbalist first:

Pregnancy or lactation: If you are pregnant or breastfeeding, you should only take the medicine recommended by your doctor.

Are taking other medicines: including prescription medicines or medicines without a prescription.

Allergic to any substance containing Evening Primrose Oil: or allergic to other medicines, herbs.

Suffering from other diseases: for example, disorders of the physiological system, or any other health conditions.

Allergies to certain substances: such as specific foods, artificial colors, preservatives, or animal allergies.

Compared with the specifications of medicines, the relevant regulations of herbal medicines are not so strict.

More research is needed to prove the safety of herbs, but in any case, the benefits of taking herbal supplements must be greater than the risks before they can be used, so please discuss the relevant information with the herbalist or physician first.

Is it safe to use Evening Primrose Oil?

For most people, taking Evening Primrose Oil for less than 1 year should be safe.

Matters needing attention and safety warning

Pregnancy and breast-feeding: Taking Evening Primrose Oil during pregnancy may not be safe because it may cause complications.

For your safety, avoid taking Evening Primrose Oil during pregnancy. It may be safe to take Evening Primrose Oil during breastfeeding, but please consult your physician, pharmacist, or herbalist before taking it.

Coagulation function: Often: When taking Evening Primrose Oil, it should be considered that it may increase the chance of congestion and bleeding. If you have blood clotting function, please do not take Evening Primrose Oil.

Epilepsy or seizures: For some people, taking Evening Primrose Oil should pay special attention to the possibility of seizures. If you have a history of epilepsy, please avoid taking it.

Mind disturbances: The use of Phenothiazine drugs, γ-linolenic acid (Gamma-linolenic acid, GLA, Evening Primrose Oil contains this ingredient), and vitamin E may cause seizures when treating patients with mental disorders. People with schizophrenia should consult a physician, pharmacist or herbalist before taking Evening Primrose Oil.

Surgery: Evening Primrose Oil may increase bleeding during or after surgery. In the first 2 weeks of the scheduled surgery, please discontinue Evening Primrose Oil.

Potential side effects of using Evening Primrose Oil

Taking Evening Primrose Oil may cause the following minor side effects:

  1. Upset stomach
  2. nausea
  3. diarrhea
  4. headache

Evening Primrose Oil does not cause side effects to everyone, and some side effects are not listed above.

If you still have any concerns, please consult your herbalist or physician for more information.

Potential interactions using Evening Primrose Oil

Evening Primrose Oil may interact with the medicine or medical condition you are taking. Please consult your herbalist or physician before taking it. The drugs that interact with Evening Primrose Oil are:

1. Drugs that slow the rate of blood clotting (anticoagulant/platelet-damaging drugs)

Evening Primrose Oil may slow the rate of blood clotting. When Evening Primrose Oil is taken with drugs that slow the rate of blood clotting, it may increase the chance of congestion and bleeding.

Evening Primrose Oil contains γ-linolenic acid, which may be an ingredient that slows the rate of blood doubt.

Some drugs that slow blood clotting include: Aspirin, Clopidogrel, Diclofenac, Ibuprofen, Naproxen, Dalteparin, Enoxaparin, Heparin, Warfarin.

2. Drugs used during surgery (anesthesia)

Evening Primrose Oil may interact with the drugs used during surgery.

Someone used to take Evening Primrose Oil and used other drugs during the operation, which caused seizures.

But so far, there is still not enough information to determine whether Evening Primrose Oil or other drugs caused the seizures.

Please remember to tell your doctor about the natural herbs you are taking before the operation. For safety reasons, do not take Evening Primrose Oil at least 2 weeks before the operation.

3. Antipsychotic drugs: thiodiphenylamine (Phenothiazines)

For some people, if Evening Primrose Oil is taken with thiodiphenylamine, there may be a risk of seizures. Some thiodiphenylamines contain the following ingredients: Chlorpromazine, Fluphenazine, Thioridazine.

Recommended dosage

The information provided in this article is not intended to be a substitute ordered by a professional physician. Before taking Evening Primrose Oil, please consult your herbalist or physician.

What is the general usage?

The following are the doses used in the investigation during scientific research:

Oral treatment of breast pain: 3 to 4 grams per day (g).

The dosage of Evening Primrose Oil required by each patient is different. The dosage depends on your age, health, and other conditions.

Replenishing herbs like Evening Primrose Oil are not absolutely safe, please consult your herbalist or physician to determine the most appropriate dosage.

Type of finished product

Evening Primrose Oil’s finished products come in the following forms depending on the dosage:

  1. Pure Evening Primrose Oil
  2. Swallowable capsules

Where can I buy the best Evening Primrose Oil supplements?

In recent years, food safety problems in various countries have exploded, and it is not healthy but black-hearted products that everyone spends on. Therefore, European and American products with relatively strict quality control have become popular products.

And iHerb.com is a large-scale medical cosmetics e-commerce company in the United States. It has a high satisfaction rate of 97% in the evaluation of Google customers. It provides global home delivery so that you can buy it without risking buying fakes through purchasing high-quality health products.

Evening Primrose Oil

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