What are the effects of Tong Guan San?

Tong Guan San is a Chinese medicine with the efficacy of opening the passages and the orifices, and can be used to treat sudden qi blockage and fainting caused by phlegm and turbid obstruction of the orifices, as well as tightness of the teeth and unconsciousness.
Tong Guan San is a kind of Chinese patent medicine, which is composed of pig’s tooth soap, goose not eating grass, fine Xin, the efficacy of Tong Guan San is to pass the gate, open the orifices, the role is to treat phlegm and turbid obstruction of the orifices due to the sudden closure of the qi syncope, teeth, unconsciousness, unconsciousness, tightness, and so on.
Adverse effects of Tong Guan San are not clear at present; pregnant women must be cautious of using this product; it should be noted that this drug can only be used temporarily, mainly for emergency.
If you need to use the drug Tong Guan San, should be in the professional Chinese medicine practitioner to identify the evidence under the guidance of the correct standardization of the use of drugs, not on their own, to avoid adverse effects on the body.