Er Xian Tang

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二仙汤 (Two Immortals Decoction)

Source: Contemporary formula (Contemporary, 1950)

Last updated July 22, 2026

Menopausal syndromeHot flushes and night sweats with cold lower backHypertension from Kidney deficiencyIrregular menstruationUrogenital atrophyOsteoporosis prevention

Description

Er Xian Tang (Two Immortals Decoction) is a modern TCM formula developed in the 1950s at Shuguang Hospital in Shanghai, specifically for menopausal syndrome. It addresses the complex pathology of menopause — simultaneous Kidney Yin and Yang deficiency with Liver fire — by warming Kidney Yang, nourishing Kidney Yin, and clearing deficiency fire while regulating the Chong and Ren channels.

Composition

Herb Amount % Role Function
Xian Mao 9g 18.75% Jun (Chief) Warms Kidney yang and strengthens the sinews and bones
Yin Yang Huo 9g 18.75% Jun (Chief) Warms Kidney yang and tonifies essence
Ba Ji Tian 9g 18.75% Chen (Deputy) Warms and tonifies Kidney yang without drying
Dang Gui 9g 18.75% Chen (Deputy) Nourishes blood and harmonizes the Chong and Ren vessels
Huang Bai 6g 12.5% Zuo (Assistant) Drains Kidney fire and clears deficiency heat
Zhi Mu 6g 12.5% Zuo (Assistant) Nourishes yin and clears deficiency heat

Total weight: 60g

Preparation

Decoct in water 30 minutes. Take warm in 2 doses/day.

Dosage

Decoction: 1 dose/day. Can be used long-term through menopausal transition.

Conditions Addressed

Traditional formula information is for educational purposes only. Herbal formulas should be prescribed by a qualified practitioner — dosages and combinations are individualized and can interact with medications.

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