Gypsum is a plaster stone of sulfate of plaster stone group, containing mainly hydrated calcium sulfate.

Action: To remove heat, quench fire, and relieve thirst.

Indications: Febrile diseases due to exogenous affection with high fever and dire thirst; asthma and cough caused by heat in the lung; headache and toothache caused by exuberant fire in the stomach,

Usage: For oral administration, to be decocted before other ingredients.