Dong Quai

Dong Quai
Dong Quai


Natural Medicines Comprehensive Database rates effectiveness based on scientific evidence according to the following scale: Effective, Likely Effective, Possibly Effective, Possibly Ineffective, Likely Ineffective, Ineffective, and Insufficient Evidence to Rate. The effectiveness ratings for DONG QUAI are as follows:

Insufficient evidence to rate effectiveness for…

  • Heart disease. Some early research shows that a natural medicine containing dong quai and other herbs given by injection might reduce chest pain, and improve heart function in people with heart disease.
  • High blood pressure in arteries carrying blood from the heart to the lungs (pulmonary hypertension). Some early research shows that dong quai given by injection might reduce blood pressure and improve blood flow in people with chronic obstructive pulmonary disorder (COPD) and pulmonary hypertension.
  • Menopausal symptoms. Some early research shows that taking it does not reduce hot flashes.
  • Stroke. Some early research shows that dong quai given by injection for 20 days does not improve brain function in people who had a stroke.
  • Allergies.
  • Anemia.
  • Constipation.
  • Early orgasm in men (premature ejaculation).
  • High blood pressure.
  • Joint aches and pains.
  • Migraine headache.
  • Painful menstrual periods.
  • Premenstrual syndrome (PMS).
  • Problems during pregnancy..
  • Skin discoloration and psoriasis.
  • Ulcers.
  • Other conditions.

More evidence is needed to rate the effectiveness for these uses.

Side Effects Of Dong Quai

Dong quai is POSSIBLY SAFE for adults when taken by mouth or when occasionally applied to the skin as a cream. More evidence is needed to determine its safety after prolonged or repeated use.

It can cause skin to become extra-sensitive to the sun. This might put you at greater risk for sunburn and skin cancer. Wear sunblock outside, especially if you are light-skinned.

Taking dong quai in large amounts for a long period of time is POSSIBLY UNSAFE. It contains chemicals that may cause cancer.

Warnings & Precautions

  • Pregnancy and breast-feeding: Taking dong quai by mouth during pregnancy or when breast-feeding is POSSIBLY UNSAFE for the baby. It seems to affect the muscles of the uterus. There is one report of a baby born with birth defects to a mother who took a product containing dong quai and other herbs during the first 3 months of pregnancy. Do not use if you are pregnant.
  • There is one report of a breast-fed baby who developed high blood pressure after his mother ate soup containing it. Stay on the safe side and don’t use it if you are breast-feeding.
  • Bleeding disorders: Dong quai might slow blood clotting and increase the chance of bruising and bleeding in people with bleeding disorders.
  • Hormone-sensitive conditions such as breast cancer, uterine cancer, ovarian cancer, endometriosis, or uterine fibroids: Dong quai might act like estrogen. If you have any condition that might be made worse by estrogen, don’t use it.
  • Protein S deficiency: People with protein S deficiency have an increased risk of blood clots. It might increase the risk of blood clots in people with protein S deficiency. Don’t use if you have protein S deficiency.
  • Surgery: Dong quai might slow blood clotting. It might increase the risk of bleeding during and after surgery. Stop taking it at least 2 weeks before surgery.

Dosage Of Dong Quai

The following doses have been studied in scientific research:


  • For menopausal symptoms: 15 chewable tablets of a product containing dong quai and chamomile (Climex) have been taken daily for 12 weeks. A specific product containing American ginseng, black cohosh, dong quai, milk thistle, red clover, and vitex agnus-castus (Phyto-Female Complex) has been taken twice daily for 3 months. A specific product containing burdock root, licorice root, motherwort, dong quai, and Mexican wild yam root has been taken three times daily for 3 months.


  • For early orgasm in men (premature ejaculation): A specific cream containing Panax ginseng root, dong quai, Cistanches deserticola, Zanthoxyl species, Torlidis seed, clove flower, Asiasari root, cinnamon bark, and toad venom (SS Cream) has been applied to the glans penis 1 hour before sex and washed off immediately before sex.


Consult your doctor or pharmacist.


All information has been provided courtesy of MedLinePlus from the National Library of Medicine and from the FDA.