The side effects of taking Angong Niuhuang Pill are as follows: 1. Patients can have hypothermia because Angong Niuhuang Pill belongs to Chinese medicine, which contains Niuhuang, buffalo horn, musk and other drugs, and can treat some patients with severe delirium, some patients can have hypothermia after application. 2. 3. Because Angong Niuhuang Pill is relatively cold, patients can experience gastrointestinal side effects after long-term use. If the patient eats more greasy, it can also help fire and produce phlegm, etc. 4, some people can have allergic reactions after taking it.