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Tidal Fever

How Chinese medicine differentiates the classical "tidal fever" (fever that rises and falls on a predictable daily rhythm) into the five patterns you'll actually meet in practice, and the points for each. Distinct from this site's own Afternoon Heat Sensation and Low-Grade Fever pages. Acupuncture only — no herbs.

This page is educational, for practitioners and students — it is not a diagnostic tool and does not replace a proper in-person assessment. A recurring fever pattern needs a full medical work-up before assuming a simple TCM pattern.
General Acupuncture Points

Acupuncture points traditionally used for tidal fever — 11 key points, used across the patterns below rather than tied to just one.

PointKey action
KI-3Tonifies the Kidneys (both Yin and Yang). Calms the Mind. Benefits Essence.
SP-6Strengthens the Spleen. Nourishes Blood and Yin. Cools Blood.
SP-9Regulates the Spleen. Resolves Dampness. Opens the Water passages.
ST-40Resolves Phlegm and Dampness. Opens the chest and subdues rebellious Qi.
ST-44Clears Heat. Regulates the Intestines and resolves Damp-Heat.
L.I.-4Removes obstructions from the channel. Stops pain. Tonifies Qi and consolidates the Exterior.
KI-6Nourishes Kidney-Yin. Calms the Mind. Invigorates the Yin Stepping Vessel.
HT-6Invigorates Heart-Blood. Nourishes Heart-Yin and clears Empty-Heat of the Heart. Stops sweating.
REN-4Nourishes Blood and Yin. Strengthens the Kidneys. Benefits Original Qi.
BL-23Tonifies the Kidneys and nourishes the Kidney-Essence. Consolidates Kidney-Qi.
DU-4Tonifies Kidney-Yang and warms the Gate of Life (Ming Men). Expels Cold.
The Five Patterns

↑ reinforcing   ↓ reducing   ⊥ even method.

1. Empty-Heat Caused by Yin Deficiency View full pattern →

Clinical manifestations: Afternoon or evening feeling of heat, night sweats that drench the pillow or nightclothes, heat in the palms, soles, and centre of the chest, dry mouth and throat worse in the evening, flushed cheekbones, difficulty falling or staying asleep.
Tongue: Red with a thin, dry body showing cracks, little or no coating. Pulse: Fine and rapid, weak on deep pressure, especially at the left rear (Kidney) position.
Treatment principle: Nourishes Yin fluids to anchor rising Yang, drains Empty-Fire without further depleting resources.
Note: no moxa. Direct exact-name match with this site's own Kidney-Yin-deficiency-Empty-Heat-blazing slide — this is the pattern classically named \"tidal fever\" itself in TCM texts.

2. Damp-Warmth (Shi Wen)

Clinical manifestations: Afternoon fever that doesn't improve with sweating, body feels heavy and aching, chest and upper abdomen feel stuffy and bloated, greasy yellow tongue coating, no appetite, mental fogginess or dullness.
Tongue: Red body with yellow greasy (sticky) coating, slightly swollen. Pulse: Soggy and rapid, or slippery and rapid as Heat intensifies.
Treatment principle: Transforms and drains trapped Dampness, clears Heat while restoring Qi flow.
Note: no moxa. This site's decks are organized by the twelve Zang-Fu organs rather than the Warm-Disease (Wen Bing) Four-Levels framework, so there's no dedicated Damp-Warmth slide — no pattern link is given here; the points above address the Dampness component individually.

3. Bright Yang Fire in Stomach and Intestines View full pattern →

Clinical manifestations: Afternoon tidal fever peaking around 3-5pm, severe constipation with dry, hard stools, abdominal fullness and pain that worsens with pressure, intense thirst with desire for cold drinks, bad breath and foul-smelling gas.
Tongue: Red body with prickly thorns, thick yellow dry coating, possibly cracked. Pulse: Deep, forceful, and rapid, possibly slippery.
Treatment principle: Vigorously purges accumulated Heat and stagnant stool from the bowels, restores downward movement.
Note: no moxa. Direct match with this site's own Stomach-Heat-(or-Phlegm-Heat) slide, this site's standard match for the Yangming/Bright-Yang excess-Heat family — this is the classical \"tidal fever peaking 3-5pm\" presentation named for the Yangming time.

4. Disharmony Between Heart and Kidneys View full pattern →

Clinical manifestations: Tidal fever worse in the evening, often with night sweats, insomnia with vivid or disturbing dreams, palpitations and mental restlessness, heat in the palms, soles, and chest, sore lower back and weak knees.
Tongue: Red, thin body with redder tip, little or no coating, possible midline crack. Pulse: Fine and rapid, weaker at the rear positions, more perceptible at the left front position.
Treatment principle: Nourishes Kidney-Yin to cool rising Heart-Fire, restores communication between the organs.
Note: no moxa. Direct exact-name match with this site's own Kidneys-and-Heart-not-harmonized slide — this pattern's Yin-deficiency framing fits that slide's own text closely.

5. Kidney Yang Deficiency View full pattern →

Clinical manifestations: Mild tidal heat, often in the afternoon, feeling cold overall, especially lower back and legs, sore, cold lower back and knees, frequent urination, especially at night, fatigue and low spirits.
Tongue: Pale, puffy, tender body with teeth marks and wet white coating. Pulse: Deep, slow, and weak, especially at the rear (Chi) positions.
Treatment principle: Warms and tonifies Kidney-Yang's foundational fire, anchors floating Yang back to the lower body.
Note: moxa strongly indicated throughout. Direct exact-name match with this site's own Kidney-Yang-deficiency slide.
Related conditions

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