Scorpion, or whole scorpion, and whole scorpion and centipede are poisonous and are usually taken after concoction. The side effects of whole scorpion are headache, dizziness, elevated blood pressure, palpitation (rapid heartbeat, often accompanied by panic), etc. The side effects of centipede are nausea, vomiting, abdominal pain and diarrhea. Excessive dosage of whole scorpion can lead to headache, dizziness, elevated blood pressure, palpitation, agitation, sudden drop of blood pressure in serious cases, dyspnea, cyanosis, coma, and finally death due to respiratory paralysis; allergic patients can develop generalized red rash and windmills accompanied by fever. It is forbidden to be taken by those who have blood deficiency (blood deficiency, loss of nourishment of sinews and veins, causing wind) and pregnant women. Excessive use of centipede can cause poisoning, manifested as nausea, vomiting, abdominal pain, diarrhea, unconsciousness, slow heartbeat, dyspnea, temperature drop, blood pressure drop, etc.; hemolytic reaction occurs, urine is soy sauce color, black stools, and hemolytic anemia; allergy, allergic rashes all over the body, and in severe cases, anaphylactic shock. It is not recommended for pregnant women. If it is necessary to use whole scorpion or centipede, it should be applied under the guidance of traditional Chinese medicine practitioners.