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Do Chinese herbal medicines have side effects?

Dec 29, 2022 Source: Cainiu Health
Dr. Zhou Chao
Introduction
Traditional Chinese medicine (TCM) has side effects. If the number of ingredients in a TCM formula is small, the side effects are usually minimal and can be negligible. However, each additional herb increases the risk of side effects gradually. The main side effects of TCM involve increased burden on the liver and kidneys, and may even trigger kidney disease. Smoking and alcohol should be avoided when taking TCM. Since all medications have side effects, some adverse reactions may occur after taking the medicine.

Taking Western medicine can easily irritate patients with poor gastrointestinal health, so traditional Chinese medicine (TCM) may be an alternative treatment option. Does TCM have side effects?

Does Traditional Chinese Medicine Have Side Effects?

Yes, TCM does have side effects. If a TCM formula contains only a few herbs, its side effects are usually minimal and negligible. However, each additional herb increases the potential for side effects, which accumulate gradually. The main side effects of TCM involve increased burden on the liver and kidneys, and in some cases, kidney disease may even be triggered. Smoking and alcohol consumption should be avoided when taking TCM. Since all medications carry potential side effects, some adverse reactions may occur after taking any drug.

Long-term use of TCM may lead to dependency as a side effect, so it's generally recommended to change medications approximately every week. For example, cassia seeds (juemingzi) help lower blood lipids, but prolonged use may cause stomach discomfort. Long-term consumption of licorice root, which tonifies the spleen, boosts vital energy, clears heat, and detoxifies, may lead to elevated blood pressure. "Medicines are inherently toxic," as traditionally stated—this is indeed true. Herbal medicines contain complex active ingredients such as alkaloids, saponins, tannins, and volatile oils. As medicinal substances, most will have varying degrees of side effects.

TCM is considered a relatively safe form of medication, with fewer side effects on the human body and longer-lasting therapeutic effects—typically lasting around 2 to 3 days. TCM has unique regulatory effects on the body and works through an inside-out approach. Different herbal formulations produce different therapeutic outcomes. When taking TCM, it is essential to follow a doctor’s guidance and use professionally prescribed formulas and dosages. We hope this answer has been helpful. Wishing you good health and happiness.

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