Sulfur can be found as the pure element of sulfide and sulfate minerals.
According to the Chinese medical work written by Li Shizhen, Compendium of Materia Medica, Sulfur is mentioned to be sour, gentle, toxic, and used as detoxifier, fumigant, and skin treatment. The practical use of its refinement can be a medicine for internal applications. Sulfur’s toxicity will be intensified as the result of chemical reaction when it burns.

SIDE EFFECT OF SULFUR FUMIGATING MEDICINE
In the “Prescriptions and Herbal Pharmacy of Chinese Medicine,” it describes the properties of sulfur as sour, tender, toxic, and can be filtered by the kidneys and cardiac organs. The toxicity of sulfur dioxides and sulfites will go through the body organs, and result in allergy, breathlessness, vomit, diarrhea, and damages to the liver, kidneys, and vitality.

OVERDOSE SULFUR FUMIGATING MEDICINE WILL DAMAGE TO HEALTH
Currently the products of sulfur fumigating medicine would cause diarrhea. They are also weighted with arsenic. In fact, some useful ingredients will be destroyed and eliminate the effect of healing. What makes the matter worse is, each improper sulfur fumigating process will produce more arsenic that is definitely harmful to health.

INFERIOR SULFUR FUMIGATING MEDICINE
We observe that sulfur fumigating medicines prevail among the market for the time being. Most people may not be aware of the differences. The boiled liquid of sulfur fumigating medicine is generally sour and deteriorated, yet customers are confused and still mistaking the inferior sulfur fumigating medicine for a natural formula. 

CAN YOU TELL SULFUR FUMIGATING MEDICINE?
Appearance: white, powdery, indistinct texture, distinct color
Smell: artificial, poignant, sour
Taste: sour, whether the medicine itself is sour or not