Taking too many Niu Huang Antidote Tablets can be toxic, as they contain andrographis, which may lead to arsenic poisoning when used in excess and over a long period of time. Niu Huang Antidote Tablet is a more commonly used Chinese patent medicine. Its composition has artificial oxalis, andrographis, gypsum, rhubarb, scutellaria and so on. It has the effect of clearing heat and detoxification (removing heat and poisonous evil from the body). It is used for sore throat, swollen gums and sore mouth and tongue as well as redness and swelling of the eyes due to internal heat. It should be noted that it is not suitable for pregnant women as it may lead to miscarriage; newborns should be cautious of its use; people with mouth sores, toothache and paralysis of throat (redness, swelling and pain in the throat, or dryness, foreign body sensation, or itchy throat and difficulty in swallowing) due to inflammation caused by deficiency fire should be cautious of its use; and people with weak spleen and stomach should be cautious of its use. If you have a need for medication, please take it correctly under the guidance of a professional physician, do not buy and take it without authorization, so as not to affect your health.