Zhang Nao


Zhang Nao in TCM:

Explore the properties of Zhang Nao according to Chinese
Nutrition and Traditional Chinese Medicine (TCM):

English Name: camphor
Pharmacuetical Name: Camphora
Properties: toxic, acrid, hot

Temperature: hot

Channels: SP, HT

Flavors: toxic, pungent

Special Properties:
disperses cold, clears damp

  • External: for powder or paste use dose appropriate for area
  • (0.015-0.03) gm in pill or powder

Actions / Indications:
  • Dries Dampness; Kills Parasites (skin disorders: scabies, ringworm, tinea, and itching sores; damp cold leg qi)
  • Dispels cold; reduces swellings; relieves pain (toothaches, traumatic injuries, frostbite, swelling)
  • Opens orifices; dispels damp-turbidity (delerium or sudden loss of consciousness, abdominal pain due to dampness and turbidity - usually contracted in late summer: fever, chest stuffiness, abdominal distension, vomiting, diarrhea; taken orally)
  • (cc: pregnancy)
  • (cc: heat excess or qi or yin deficiency)

    Special Notes:
  • toxicity when ingested at 0.5-1gm, 7-15g may cause death
  • Topical application of sores and ulcers with large dose may cause irritation.