Herb Formulas Notebook

Si Ni San

Frigid Extremities Powder

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Source: Discussion of Cold Damage (c. 220)
Author: Zhang Ji / Zhong-Jing

Category: Formulas that Harmonise

Pattern: Shaoyang Heat inversion due to internal constraint of Qi

Key Symptoms: Cold and clammy fingers and toes while the body and head are warm, anxiety and irritability, abdominal distention and pain
Secondary Symptoms: Fullness in the chest and epigastrium, palpitations, insomnia, fatigue, frequent sighing or taking deep breaths, depressive moods, cough, alternating constipation and diarrhoea, nausea, urinary difficulty

Tongue: Red with yellow coating
Pulse: Wiry
Abdomen: Focal distention in the epigastrium, noticeable tension in rectus abdominis muscle, fullness and distention in hypochondrium

Chai Hu 9-12g
Zhi Shi 9-12g
Bai Shao 12-24g
Zhi Gan Cao 6-9g

Preparation: Source text advises to grind into a powder and take in 6-9g doses three times a day. Normally prepared as a decoction today.

Actions: Vents pathogenic Qi, releases constraint, spreads Liver Qi, regulates the Spleen

Contraindications: Qi constraint associated with Yin deficiency, long term use

Research Links:
Science Direct
Google Scholar
Journal of Chinese Medicine
American Dragon

Reference Notes: (click to display)

These pages are intended to assist clinicians and are not intended for self-diagnosis or treatment for which a qualified professional should be consulted.