Collapse of Yin

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At a glance

Key attributes

Chinese name: 亡阴      Pinyin name: Wáng Yīn

Pattern nature: Empty

Causes

Precursor patterns: Heat in Pericardium Heat in Nutritive Qi level

Common causes: External pathogenic factor

Diagnosis

Common symptoms: Emaciation Malar flush Night sweats Constipation Restlnessness and four other symptoms

Pulse type(s): Rapid (Shu), Fine (Xi)

Tongue description: Dark-Red and Dry tongue without coating

Treatment

Treatment principle: Rescue Yin, restore consciousness.

Common formulas: Da Bu Yin Wan

Pathology

This is one of the five patterns of the Blood level, the fourth and last level of the Four Levels theory. This means this is a very serious pattern where an External Pathogen has penetrated deeply within the body.

Collapse of Yin indicates an extremely severe state of Emptiness. It also implies a complete separation of the Yang from the Yin. Collapse of Yin is often, but not necessarily, followed by death.

The main manifestations are abundant perspiration (especially at night), low grade fever with the skin hot to the touch, retention of
urine and constipation.

Causes

Precursor patterns: Collapse of Yin can derive from Heat in Pericardium Heat in Nutritive Qi level

External pathogenic factor: The main original cause of this pattern is an Exterior Pathogenic Factor (typically Wind-Heat) that has invaded the Interior and progressed to this level.

Diagnosing Collapse of Yin

Pulse type(s): Rapid (Shu) or fine (Xi)

Tongue description: Dark-Red and Dry tongue without coating

Main symptoms: Emaciation Malar flush Night sweats Constipation Restlnessness Five palm heat Low-grade fever Urinary retention Dry mouth with desire to sip liquids

Treating Collapse of Yin

Treatment principle

Rescue Yin, restore consciousness.

Herbal formulas used to treat Collapse of Yin

Da Bu Yin Wan

Source date: 1481 AD

Number of ingredients: 4 herbs

Key actions: Enriches the Yin. Directs fire downward.

Formula summary

Da Bu Yin Wan is a 4-ingredient Chinese Medicine formula. Invented in 1481 AD, it belongs to the category of formulas that nourish Yin and tonify.

Read more about Da Bu Yin Wan