Properties: Pungent, warm, toxic

Meridans Entered:
Primary: Lung and Liver

1. Relieves cough and wheezing
   Cough and dyspnea with little or no phlegm
2. Alleviates pain
   Chest and abdomen pain
   Wind-Damp obstruction
   Traumatic injury pain
   Large doses have anesthetic action so it was used as narcotic in ancient times
3. Extinguishes Wind and stops spasms
   Epilepsy
   Chronic infantile convulsions

Suggested Daily Dosage: 0.3-0.6g as pills or powders per day or up to 1.5g smoked.

Cautions: It is toxic, so dosage should be controlled. Contraindicated for Wind-Cold contraction, Phlegm-Heat cough and dyspnea, glaucoma, hypertension and tachycardia. It should be used with caution for the pregnant women or in weakened patients.

In the UK the Banned and Restricted Herbal Ingredients limit the maximum individual dosage of Datura stramonium or Datura innoxia to 50mg maximum individual dose and up to 150mg daily.

• Hyoscyamine / Daturine / Atropine
  Blocks the action of acetylcholine at parasympathetic sites in sweat glands, salivary glands, stomach secretions, heart muscle, sinoatrial node, smooth muscle in the gastrointestinal tract, and the central nervous system increasing cardiac output and heart rate, lowering blood pressure and drying secretions.

Notes:

Category has been decided since that seems to be the only real "action" in terms of Chinese medicine. Although its indicated for cough and Bi syndromes it seem to be solely as a painkiller or muscle relaxant and not to have Wind, Cold or Damp expelling or Phlegm resolving functions.