The taste is sweet, bitter, astringent, flat; toxic.

Attributed to the lung meridian.

Functions and IndicationsConvergence of the lungs to stabilize asthma, stopping the turbidity of the belt, narrowing the stool. It is used in treating phlegm and coughing, and stopping the discharge of urine and frequent urination.

Dosage 4.5-9g.

Note that it is poisonous when eaten raw.

Remarks overdose poisoning, fever, vomiting, diarrhea, convulsions, convulsions, limb straightening, skin bruising, dilated pupils, weak and chaotic pulse, or even coma. Rescue methods: gastric lavage, diarrhea, egg white, activated charcoal, and symptomatic treatment: such as skin bruising can be given oxygen or artificial respiration; convulsions can be given to the sedative, in the event of coma can be inhaled ammonia, injection of stimulants.