Formulas · Calm the Spirit 安神 · Boyeong Cwalyo (保嬰撮要)
Restrain the Liver Powder
Eokgan-san
한글 억간산 · Pinyin Yi Gan San
抑肝散
Composition 構成
- Jogudeung釣鉤藤 조구등 · Uncaria3 g
Chief 君 - Danggui當歸 당귀 · Korean Angelica3 g
Deputy 臣 - Siho柴胡 시호 · Bupleurum2 g
Deputy 臣 - Baekchul白朮 백출 · White Atractylodes4 g
Assistant 佐 - Baekbokryeong白茯苓 백복령 · Poria (white)4 g
Assistant 佐 - Cheongung川芎 천궁 · Cnidium3 g
Assistant 佐 - Gamcho甘草 감초 · Licorice1.5 g
Envoy 使
Total 20.5 g per packet (첩) · representative dosage — verify against source texts.
Actions 效能
- Soothes the Liver and extinguishes internal wind
- Strengthens the Spleen and calms agitation
Indications 主治
Pattern-based
- Liver excess with wind stirring — irritability spasms and grinding of teeth
- Restless agitation in children or the elderly
- Twitching and tremor with short temper
Biomedical correlates
- Irritability and night terrors in children
- Agitation in dementia (well-studied in Kampo)
- Tension with muscle twitching
Clinical commentary 臨床
Originally a pediatric formula, now one of the most researched herbal prescriptions in the world for agitation in dementia. Classically given to mother and child together — the pattern travels through the household. — Eui Young (Justin) Chung, L.Ac., Dipl. O.M.