Alum is also known as alum, alum. Dissolve the alum stone with water, filtered, the filtrate is heated and concentrated, and the crystals obtained after cooling are alum.
Alum is sour, astringent and cold in nature, and belongs to the lung, spleen, liver and large intestine meridians. It can be used externally to detoxify and kill worms, dry dampness and relieve itching. Internally, it can stop bleeding and diarrhea, and dispel wind and phlegm.
It is often used together with Diyu and Wu Bei Zi if it is used for treating blood in stool and blood in the menstrual flow (excessive menstrual flow or more than a few drops). If treating weak spleen and stomach, diarrhea and abdominal pain, it can be combined with yam and atractylodes. This product can also clear away heat and phlegm, and is suitable for phlegm obsession, confusion, epilepsy and madness.
The adverse reactions and contraindications of Alum are not clear. If there is a need for medication, it is recommended to use it under the guidance of a professional physician, and not blindly self-medication.