dong quai (Angelica sinensis, Chinese Angelica, Tang Kuei, Tan Kue Bai Zhi, Tanggwi, Toki)

  • Pharmacy Author:
    Omudhome Ogbru, PharmD

    Dr. Ogbru received his Doctorate in Pharmacy from the University of the Pacific School of Pharmacy in 1995. He completed a Pharmacy Practice Residency at the University of Arizona/University Medical Center in 1996. He was a Professor of Pharmacy Practice and a Regional Clerkship Coordinator for the University of the Pacific School of Pharmacy from 1996-99.

  • Medical and Pharmacy Editor: Charles Patrick Davis, MD, PhD
    Charles Patrick Davis, MD, PhD

    Charles Patrick Davis, MD, PhD

    Dr. Charles "Pat" Davis, MD, PhD, is a board certified Emergency Medicine doctor who currently practices as a consultant and staff member for hospitals. He has a PhD in Microbiology (UT at Austin), and the MD (Univ. Texas Medical Branch, Galveston). He is a Clinical Professor (retired) in the Division of Emergency Medicine, UT Health Science Center at San Antonio, and has been the Chief of Emergency Medicine at UT Medical Branch and at UTHSCSA with over 250 publications.

What is the dosage for dong quai (Angelica sinensis)-oral?

(note that different suppliers may suggest different doses):

  • Premature ejaculation: A multi-ingredient topical cream, containing Dong quai, is applied to the penis one hour prior to sex and washed off immediately before sex.
  • Menopausal symptoms: Take 4.5 grams of powder by mouth daily or 520 to 1560 mg by mouth three times daily with meals.
  • Liquid extract: Take 1 ml by mouth three times a day.

Which drugs or supplements interact with dong quai (Angelica sinensis)-oral?

Dong quai has blood thinning effects (slow blood clotting) and should not be taken with blood thinning medications like warfarin (Coumadin), aspirin, clopidogrel (Plavix), and pain medications like ibuprofen (Motrin), naproxen (Aleve, Naprosyn), and diclofenac (Voltaren). Such combinations increase the risk of bruising and bleeding. It should also not be combined with herbs that also slow blood clotting. Examples include angelica, clove, danshen, garlic, ginger, ginkgo, panax ginseng, poplar, red clover, and willow.

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