Yin Excess

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At a glance

Key attributes

Chinese name: 阴盛      Pinyin name: Yīn Shèng

Pattern nature: Full

Pattern hierarchy: General pattern

Diagnosis

Common symptoms: Nausea No thirst Cold limbs Pale urine Poor appetite and seven other symptoms

Pulse type(s): Slippery (Hua), Tight (Jin), Wiry (Xian), Full (Shi)

Tongue description: Pale with white wet and/or creamy think coating

Treatment

Treatment principle: Warm the internal Organs, expel internal Wind-Cold or Damp-Cold, expel Dampness or Phlegm

Common formulas: Wu Ling San Wu Pi Yin

Pathology

Excess Yin is a Full Yin state pattern. It creates Cold symptoms which are similar to these of Yang Deficiency, such as feeling of cold, cold limbs, profuse but clear urination, pain that gets worse by pressure but relieved by warmth. It is because Yin is cooling in nature and the excessive occurrence of Yin extinguish the Yang fires. 

The Cold here mainly refers to Wind-Cold and Damp-Cold. They can invade the Interior Organs directly such as the Stomach, Large and Small Intestines and Uterus. They can also invade the Exterior and cause painful obstruction syndrome like Wind, Cold or Dampness invading the Channels, joints and muscles

When Yin becomes in Excess, this can lead to Body Fluids accumulating in the body and form Dampness or Phlegm. They may built up throughout the body, giving a general appearance of swelling and heaviness, or they may collect in a particular area of the body. For example, if they are in the abdomen, nausea and vomiting appears. If in the Lungs, cough with copious clear mucus occurs. 

Then stagnated Dampness may also turn to Heat, and a general hypoactivity of Organ functions appears. 

Diagnosing Yin Excess

Pulse type(s): Slippery (Hua), tight (Jin), wiry (Xian) or full (Shi)

Tongue description: Pale with white wet and/or creamy think coating

Main symptoms: Nausea No thirst Cold limbs Pale urine Poor appetite Feeling of cold Profuse urination Feeling of oppression Heavy vaginal discharge Pain relieved with heat Forceful but slow movement Epigastric pain worsen by pressure

Diagnosis commentary: Key characteristic symptoms of this pattern are the feeling of cold, no thirst, and pain that can be relieved by applying warmth.

Treating Yin Excess

Treatment principle

Warm the internal Organs, expel internal Wind-Cold or Damp-Cold, expel Dampness or Phlegm 

Herbal formulas used to treat Yin Excess

Wu Ling San

Source date: 220 AD

Number of ingredients: 5 herbs

Key actions: Promotes urination,. Warms the Yang. Strengthens the Spleen. Promotes Qi transformation function. Drains Dampness. Clears edema.

Formula summary

Wu Ling San is a 5-ingredient Chinese Medicine formula. Invented in 220 AD, it belongs to the category of formulas that promote urination and leach out Dampness.

Besides Yin Excess, Wu Ling San is also used to treat Kidney Yang Deficiency with Water overflowing or Greater Yang Accumulation of Water.

Read more about Wu Ling San

Wu Pi Yin

Source date: 1107 AD

Number of ingredients: 5 herbs

Key actions: Reduces edema, diuretic. Regulates and strengthens Spleen Qi.

Formula summary

Wu Pi Yin is a 5-ingredient Chinese Medicine formula. Invented in 1107 AD, it belongs to the category of formulas that promote urination and leach out Dampness.

Besides Yin Excess, Wu Pi Yin is also used to treat Oedema.

Read more about Wu Pi Yin