TCM pattern

Blood Deficiency with External Wind

血虚生风 xuè xū shēng fēng

10Herbs
4Formulas
5Acupoints
40Conditions
4Differentials
Empty with WindPattern of DisharmonyLiverHeartChronic, relapsing

Understanding Blood Deficiency with External Wind

In this framework Blood moistens and nourishes the skin from within. Wind is the quality of movement, and it is said to arise when the Blood that should anchor and settle the skin is no longer sufficient.

The dry, rough, flaky surface is the deficiency showing itself. A pale or dull complexion, a pale tongue and a thin pulse point the same way, which is why the pattern is read as a lack of substance rather than an excess to be cleared.

The itch carries the Wind signature. Rather than staying in one place it moves, changes through the day, and is often worst at night, when the tradition expects Blood to return inward and the surface to be least nourished. Windy and cold weather aggravate it, and warmth and rest settle it.

The two halves explain the treatment. Nourishing Blood addresses the supply; expelling Wind addresses the movement. Using drying, dispersing wind herbs alone tends to make the dryness worse, which is why formulas for this pattern pair gentle wind herbs with Blood tonics.


Signs and symptoms

Key signs

  • Itching that moves from place to place
  • Dry, rough or flaky skin
  • Pale complexion or dull skin colour
  • Aversion to wind and drafts

Also seen

  • Skin that feels tight after washing
  • Fine scaling and scratch marks
  • Thin or brittle hair and nails
  • Tiredness, dizziness or palpitations
  • Light or scanty periods
  • Poor sleep, and itch that wakes the person at night
  • Lips and nail beds that look pale

Variations

  • Thickened, lichenified patches from long scratching
  • Numbness or tingling in the hands and feet
  • Dry eyes and blurred vision
  • Muscle twitching or cramps

Worse with

  • Windy and cold weather
  • Night-time, and warm beds after a cold day
  • Hot baths that strip the skin
  • Overwork and broken sleep
  • Emotional stress

Better with

  • Gentle warmth, not overheating
  • Rest and sleep
  • Blood-nourishing food
  • Calm, sheltered environments
  • Moisturising the skin

Timing

  • Itch tends to build through the evening and disturb sleep, because Blood is read as withdrawing inward at night.
  • Winter and windy weather are the classic aggravating seasons.

Practitioner notes

  • The tongue is expected to be pale and thin with a thin, slightly dry white coat. A red tongue or a yellow coat would change the reading.
  • The pulse is expected to be fine, often wiry, and empty on firmer pressure. A full or slippery pulse would argue against a deficiency.
  • The reference distinguishes this from Liver Wind stirring internally, which brings tremor, dizziness or twitching rather than itchy skin.
  • Treatment is judged by sleep and by the skin texture, not by itch alone: the itch often settles before the dryness does.

Causes

Common causes

  • Chronic Blood loss, especially heavy menstrual bleeding
  • Poor diet or weak digestion, so Blood is not produced
  • Overwork, stress and lost sleep
  • Long or chronic illness
  • Exposure to Wind while already depleted

How it develops

  • It usually begins as dryness and tiredness, and becomes this pattern when itch appears and begins to move.
  • If it persists, the skin thickens from scratching and the picture can slide toward Blood stasis; if Heat is added, it can slide toward Wind-Heat.

Diagnosis

The diagnosis rests on showing both deficiency and Wind at once: pale, dry signs plus itch that moves.

Tongue

  • Body: Pale and thin, sometimes slightly dry.
  • Coating: Thin, white and a little dry.
  • Note: A red body or a yellow coating would suggest Heat rather than deficiency.

Pulse

Fine, Wiry, Empty on pressure

The fine pulse is read as Blood insufficiency; the wiry quality adds the Wind.

Observation

  • Pale, dull or sallow skin
  • Scratch marks and fine scaling
  • Thin hair and pale nail beds
  • A tired, quiet bearing

Listening

  • A weak voice
  • Sighing

Palpation

  • Abdomen: Soft and unremarkable, with no focal tenderness. The point is the absence of an excess picture.
  • Channels: The skin feels dry and cool, and the channels at SP-6 and BL-18 may feel empty or soft.

Questions that separate it from look-alikes

  • When is the itch worst, and does it stay in one place?
  • How are sleep, energy and periods?
  • What is the diet like, and is there any blood loss?
  • Does wind or cold make it worse?

Treatment

Principles

  • Nourish and moisten Blood
  • Expel Wind gently rather than aggressively
  • Stop the itch without drying the skin further
  • Support digestion so Blood can be produced

Herbs

Formulas

  • Dang Gui Yin Zi - The reference formula for this pattern: it nourishes Blood while expelling Wind, aimed at dry, itchy skin with a pale picture.
  • Si Wu Xiao Feng Tang - The Blood-tonifying base of Si Wu Tang with Wind herbs added, for itch with clear deficiency.
  • Xiao Feng San - A broader Wind and Damp formula used when itch is accompanied by oozing or a more mixed picture.
  • Ba Zhen Tang - The combined Qi and Blood tonic, chosen when fatigue and pallor dominate and the Wind is secondary.

Acupoints

  • SP-6 (Sanyinjiao) - Meeting point of the three leg Yin channels; the standard point for nourishing Blood.
  • BL-18 (Ganshu) - The Liver back-shu point; the Liver stores Blood, so this supports the supply.
  • ST-36 (Zusanli) - Strengthens the Stomach and Spleen so that Blood can be produced from food.
  • LI-4 (Hegu) - A principal point for Wind and for the face and skin surface.
  • GB-20 (Fengchi) - The Wind point at the base of the skull, used for wind-driven itch and sensitivity.

Personalising the plan

  • If Heat signs appear, cooling herbs are added and the warming tonics reduced.
  • If dryness dominates, moistening herbs are increased and dispersing herbs kept gentle.
  • If digestion is weak, rich tonics are reduced or given with digestive support.
  • If the skin has thickened, Blood-moving herbs are added for the stasis component.

Self-care

Diet

  • Blood-nourishing foods: dark leafy greens, black beans, dates, bone broth, small amounts of liver
  • Warm cooked meals rather than raw and cold food
  • Regular meals, with enough protein
  • Reduce alcohol and very spicy food, which add Heat

Lifestyle

  • Protect the skin from wind and cold
  • Sleep before midnight and reduce overwork
  • Warm showers rather than hot baths, and moisturise after washing
  • Keep nails short and avoid scratching where possible

Qigong and movement

  • Gentle practice that emphasises rest and slow breathing, rather than anything exhausting.

How it differs from look-alikes

Patterns that can be mistaken for blood deficiency with external wind, and the contrast that separates them.

Liver Wind agitating Internally due to Liver Blood Deficiency

Also comes from Blood deficiency, but the Wind is internal: tremor, twitching, dizziness and numbness rather than itchy skin. The two can coexist, and when they do the internal Wind takes priority.

Wind-Heat invading the Lungs

An acute external pattern with fever, sore throat and a rash that comes up quickly. Here the picture is chronic, the skin is dry rather than red, and there is no fever.

Spleen Deficiency with Dampness

This one produces heaviness, a greasy coating and weeping skin. Blood deficiency with external Wind is dry and pale, with no greasy coat and no oozing.

Wind-Cold invading the Lungs

An acute cold with chills, clear discharge and body ache. The itch here is chronic and the tongue pale and dry, not the acute exterior picture.


Where it appears

Skin conditions in which this pattern is commonly seen.


Safety and when to get help

For anything severe, sudden or spreading quickly, read when a skin problem needs urgent care.

This page describes a TCM pattern, not a diagnosis, and a pattern can accompany more than one skin condition. Get urgent medical help for a rash with fever, confusion or feeling very unwell; skin that is blistering, peeling or spreading quickly; swelling of the face, lips or throat, or difficulty breathing; or a lesion with increasing pain, warmth, red streaks or pus. For anything persistent, severe or changing, have it assessed by a clinician before treating it yourself.

Read the skin condition pages for the red flags that belong to a specific presentation.

Urgent-sign guidance is based on standard sources: NHS anaphylaxis, NHS cellulitis, NHS Stevens-Johnson syndrome, NHS melanoma.

Evidence note

No controlled trial of this treatment in skin conditions was identified for this entry. What is described here rests on the classical and later materia medica record and on traditional clinical use, not on controlled trial evidence, and it is not a prediction of benefit. Where skin-specific research does exist it is linked above.

Common questions

Why is the itch described as Wind?

Because it moves. Wind is the tradition term for what shifts location, comes and goes, and changes with weather. Itch that stays in one place is read differently.

Why is it worse at night?

Blood is said to withdraw inward at night, leaving the surface less nourished, and the warm bed adds to the dryness.

Can I just use anti-itch herbs?

Dispersing herbs alone tend to dry the skin further. The reference pairs them with Blood tonics so the supply is addressed at the same time.

When should I see a doctor?

Unrelenting itch, weight loss, night sweats, unexplained bruising or bleeding, or a rash that spreads quickly all need medical assessment.