Health Guide


What is it?

Bupleurum is an herbal medicine used to treat chronic (long term) diseases, like asthma or hepatitis. It is also used to improve the immune system (body system that fights disease) and to lower fever. Bupleurum can be used to try to prevent some liver diseases from becoming liver cancer.

Other names for Bupleurum include: Bupleurum falcatum, Chinese Thoroughwax, Hare's Ear Root, and Thorowax Root.

Ask your doctor, nurse, or pharmacist if you need more information about this medicine or if any information in this leaflet concerns you.

Before Using:

Tell your doctor if you

  • are taking medicine or are allergic to any medicine (prescription or over-the-counter (OTC) or dietary supplement)
  • are pregnant or plan to become pregnant while using this medicine
  • are breastfeeding
  • have any other health problems, such as high blood pressure or heart or blood vessel disease


Talk with your caregiver about how much Bupleurum you should take. The amount depends on the strength of the medicine and the reason you are taking Bupleurum. If you are using this medicine without instructions from your caregiver, follow the directions on the medicine bottle. Do not take more medicine or take it more often than the directions tell you to.

To store this medicine:

Keep all medicine locked up and away from children. Store medicine away from heat and direct light. Do not store your medicine in the bathroom, near the kitchen sink, or in other damp places. Heat or moisture may cause the medicine to break down and not work the way it should work. Throw away medicine that is out of date or that you do not need. Never share your medicine with others.


  • Before taking Bupleurum, tell your doctor if you are pregnant or breastfeeding

Side Effects:

Stop taking your medicine right away and talk to your doctor if you have any of the following side effects. Your medicine may be causing these symptoms which may mean you are allergic to it.

  • Breathing problems or tightness in your throat or chest
  • Chest pain
  • Skin hives, rash, or itchy or swollen skin

Other Side Effects:

You may have the following side effects, but this medicine may also cause other side effects. Tell your doctor if you have side effects that you think are caused by this medicine.

  • Increase in bowel movements (BMs) and gas (1)
  • Nausea (upset stomach) and burping (1)
  • Lung problems (2)


1. Bone K: Bupleurum: a natural steroid effect. Can J Herbalism 1996; winter:22-41.

2. Izumi T: Respiratory disorders induced by Chinese medicines on the increase. Editorial. Int Med 1996; 18(6):411.

Last Updated: 7/4/2018
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