Can the Chinese medicine alum be consumed?

The Chinese medicine alum can be used externally and internally, internally, it can stop bleeding and diarrhea, dispel wind and phlegm, commonly used in blood in stool, epilepsy, epilepsy, prolonged diarrhea, leakage (excessive menstruation or dripping) and many other diseases, this medicine in the clinic more than other Chinese medicines, such as Yu Jin, Poria and other medicines with the heart, phlegm, and open up the orifices (through the elimination of phlegm to open the orifices to restore the mind).
Alum is used externally to detoxify and kill worms, dry dampness and relieve itching, and is often used in eczema, scabies, and pus in the ears.
Alum is astringent and difficult to serve, should not be used in large quantities, and should be used with caution by the physically weak. Although the Chinese medicine alum can be eaten, but can not be taken blindly, must be combined with the actual condition, after professional Chinese medicine practitioner guidance.