Yang Collapse

Yang Collapse (Yang Tuo) represents the acute collapse and separation of yang qi from yin, characterized by the sudden loss of yang qi's capacity to maintain physiological functions. This critical pattern results from severe depletion of original yang or acute loss of yang qi through excessive sweating, vomiting, diarrhea, or blood loss. Yang Collapse constitutes a medical emergency requiring immediate intervention to rescue collapsed yang and prevent imminent death.

Clinical Presentation

Profuse cold sweating with cold, clammy skin
Severe aversion to cold, inability to get warm
Mental confusion, delirium, or loss of consciousness
Extreme fatigue with inability to speak loudly
Cold limbs extending to elbows and knees
Shallow, weak breathing or dyspnea
Incontinence of urine and stool
Severe thirst for hot drinks or complete absence of thirst
Tongue: Pale, swollen, wet with white coating
Pulse: Minute (wei), almost imperceptible, or floating-large-empty

Pattern Differentiation

vs. Yin Collapse

Yin Collapse presents with profuse hot sweating, flushed face, extreme thirst for cold drinks, restlessness, and a rapid-weak pulse. Yang Collapse shows cold sweating, pale complexion, thirst for warm drinks or no thirst, and minute pulse. Body temperature regulation is opposite between the patterns.

vs. Heart Yang Deficiency

Heart Yang Deficiency develops gradually with palpitations, chest oppression, and cold limbs primarily below knees. Yang Collapse occurs acutely with complete systemic yang qi failure, cold extending to elbows/knees, profuse sweating, and altered consciousness. The severity and systemic nature distinguish Yang Collapse.

vs. Kidney Yang Deficiency

Kidney Yang Deficiency presents chronically with lower back soreness, morning diarrhea, edema, and gradual decline. Yang Collapse shows acute onset with complete loss of warming function, profuse cold sweating, mental confusion, and imminent collapse. The acute, life-threatening presentation differentiates Yang Collapse.

Treatment Principle

Rescue collapsed yang, restore yang qi circulation, warm the interior, consolidate the root, and prevent further yang qi dissipation.

Formulas for Yang Collapse in Our Catalog

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Related Patterns

Frequently Asked Questions

The combination of profuse cold sweating with altered mental state (confusion, delirium, or unconsciousness) and minute pulse indicates imminent yang qi separation. This triad represents the emergency nature distinguishing Yang Collapse from chronic yang deficiency conditions.

Treatment must begin immediately upon recognition. Yang Collapse represents the final stage before yang qi completely separates from yin, leading to death. Delay of even minutes can result in irreversible collapse. Emergency acupuncture and herbal intervention are required simultaneously.

A floating-large-empty pulse indicates yang qi floating upward in final separation attempt and carries worse prognosis than minute pulse. Complete absence of pulse or irregularly intermittent pulse suggests imminent death. Minute but consistent pulse allows better treatment response.

Severe diarrhea or vomiting causing rapid fluid loss, massive hemorrhage, acute heart failure, septic shock, and overdose of cold-natured substances. Chronic kidney yang deficiency patients face higher risk during acute illnesses. Post-surgical complications and severe infections are common triggers in clinical practice.

Professional Reference Disclaimer

This page is provided by Acu-Market (Medical Technology Products, Inc.) as an educational reference for licensed acupuncturists and traditional Chinese medicine practitioners. It is not medical advice and is not intended for use by the general public.

The clinical information on this page is a general summary compiled from traditional Chinese medicine sources and is provided for reference only. It is not exhaustive, may contain errors or omissions, and may not reflect the most current clinical research or guidance. Acu-Market makes no representations or warranties of any kind, express or implied, regarding the accuracy, completeness, reliability, suitability, or availability of this information.

Practitioners are solely responsible for their own clinical decisions. Nothing on this page substitutes for independent professional judgment, formal TCM training, current authoritative reference texts, or direct evaluation of an individual patient. Pattern differentiation, formula selection, herb combinations, dosing, contraindications, drug-herb interactions, and patient-specific safety considerations must be independently verified by the prescribing practitioner before any clinical application. Use of this information is at the practitioner’s own risk.

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