How about Niuhuang Detoxification Tablets? Niuhuang Detoxification Tablets is composed of 21 medicines including Niuhuang, Scutellaria, Huanglian, Huangbai, Gardenia, Rhubarb, Gypsum, Jinyinhua, Lianxiao, and Chrysanthemum. The formula is mainly based on heat-clearing and detoxifying herbs to attack and remove the heat contained in the lung and stomach. The ingredients of Niuhuang detoxification tablets are mostly cold drugs, which can easily make the stomach and intestines “cold” when taken for a long time, leading to weakness of the spleen and stomach and affecting the digestion and absorption of food. The cycle of taking Niuhuang detoxification tablets must not be too long, the symptoms are relieved to stop or reduce the dosage, the long should not exceed a week. If you take it for a long time or increase the dose without authorization, it may lead to chronic heavy metal poisoning, manifested as hair loss, skin keratinization, blackening, liver damage and abnormal nerve sensation.