Chinese Herbal Medicine (Decoctions and Patent Medicines)

About this therapy

Chinese herbal medicine includes individualized decoctions (tangji), where raw herbs are boiled into a medicinal tea based on a practitioner's diagnosis, and convenient patent medicines (zhongchengyao), which are pre-formulated pills, granules or liquids from classical recipes. A core part of Traditional Chinese Medicine for thousands of years, it uses synergistic plant-based formulas to restore yin-yang balance, regulate qi and blood, and address root causes of illness rather than isolated symptoms. WHO recognizes its global use in primary care and contributions like artemisinin for malaria, while stressing quality, safety and evidence. Foreign patients often seek it for holistic care of chronic or acute conditions alongside conventional medicine. Professional guidance is essential.

How it works

According to TCM theory, herbs have specific properties (temperature, taste, meridian entry) that work synergistically to tonify deficiencies, clear heat/damp/stasis or harmonize organs. Multi-herb formulas enhance efficacy and reduce toxicity. Modern research identifies bioactive compounds with anti-inflammatory, immunomodulatory, antioxidant or antimicrobial effects. WHO notes traditional herbal knowledge has led to pharmaceutical discoveries; NATCM emphasizes syndrome differentiation for appropriate use.

What to expect

Initial 45-60 min consultation includes history, tongue and pulse diagnosis for personalized formula. Decoctions require daily boiling (20-40 min) and drinking warm bitter liquid 1-2 times/day; patent medicines are easier (pills/granules). Acute conditions may improve in days; chronic ones need weeks to months with follow-ups every 1-2 weeks for adjustments. Gradual symptom relief, better energy or digestion expected. Mild initial digestive changes possible.

Typical programme

45 min per session

Cautions

• Potential interactions with Western medications; always inform healthcare providers
• Use only under supervision of a qualified, licensed TCM practitioner
• Risk of contamination (heavy metals, pesticides) or misidentification in unregulated products
• Certain herbs contraindicated in pregnancy, for children, liver/kidney impairment or specific allergies
• Possible mild side effects such as digestive upset, nausea or allergic reactions; discontinue if severe
• Emphasized by WHO and NATCM: ensure quality sourcing and follow prescribed dosages

Often used for

• Common ColdNATCM recommends specific patent medicines for symptom relief (e.g. wind-cold or wind-heat patterns); Cochrane reviews indicate insufficient high-quality evidence
• Menopausal SymptomsCochrane review: insufficient evidence that Chinese herbal medicines are more effective than placebo or hormone therapy (low-moderate quality evidence)
• DysmenorrheaCochrane: some benefit shown in trials but evidence limited by poor methodological quality
• Vascular DementiaCochrane review: moderate to very low quality evidence of potential benefit for some formulas; further rigorous trials needed
• Angina PectorisSome formulas (e.g. suxiao jiuxin wan) studied; Cochrane and reviews show mixed results with limited high-quality data (NATCM guidance for CVD)
• EczemaCochrane reviews: potential benefits in some trials but evidence often low quality with high risk of bias
• Type 2 DiabetesCochrane: some formulas may help normalize blood glucose but conclusions inconclusive due to study quality
• Acute Respiratory InfectionsNATCM clinical guidance for patent medicines in flu/cold symptoms; Cochrane for related conditions (SARS, bronchitis) finds insufficient rigorous evidence
• Digestive DisordersCommon in NATCM zhongchengyao guidelines (e.g. for dampness patterns); systematic reviews show variable, generally low-quality evidence
• Chronic FatigueTraditional tonic use for qi deficiency; evidence from reviews is preliminary and limited per Cochrane-style analyses
• MalariaWHO strongly endorses artemisinin-based therapies derived from TCM herb Artemisia annua
• SARS-related SymptomsCochrane: may improve symptoms and quality of life but evidence from poor quality trials, no clear mortality benefit