Sweating Only on Head / Dan Tou Han Chu
Updated 2026-08-05
INTRODUCTION
English translation pending.
CORE DEFINITION
A diagnostic sign in traditional Chinese medicine: the patient sweats on the head alone, with the sweat stopping at the neck and the trunk and limbs remaining dry. It points to one of two patterns. In excess patterns, damp-heat accumulates internally and is forced upward, since the head is where all yang channels converge. In deficiency patterns, yang is too weak to hold its position and floats upward, which is a serious sign of collapse. Classical texts such as the Treatise on Cold Damage discuss it in both senses.
SCAFFOLDING EFFECT
Reduce cognitive load
- Pattern discrimination: decide whether trapped heat or floating yang is producing the sign. - Severity triage: treat upward-floating yang as urgent, not as ordinary sweating. - Organizational analogy: read visible surface activity as a possible sign of an empty base.
Anchor fast decisions
Heat and qi rise, and the head is the meeting point of all yang channels, so internal heat that cannot disperse outward escapes upward and exits as sweat at the top. When the lower burner's yang is exhausted instead, the remaining yang loses its anchor and drifts upward, producing the same surface sign from an opposite cause. Because the visible result is identical, accompanying signs, the pulse, and the temperature of the limbs decide which pattern is real.
MINIMUM ACTION
In progress 0/1Practice this model in one real situation:
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Source support: Explicit
- cntcm.com.cnhttps://www.cntcm.com.cn/content/202512/12/c289623.htmlverified
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