Buerzine is an opioid analgesic drug. Buerrazine belongs to the weak opioid analgesic drugs, is a moderate analgesic drugs, also belongs to the first class of psychotropic drugs. It is clinically indicated for migraine, trigeminal neuralgia, dental pain, inflammatory pain, neuralgia, menstrual pain, arthralgia, traumatic pain, post-surgical pain, as well as cancer pain (which is a second-order analgesic). It is important to note that the drug is contraindicated in people who are allergic to it. And taking the drug may cause nausea, dizziness or drowsiness, yellow vision, generalized tingling sensation and other adverse reactions, which usually disappear after stopping the drug. This drug is the first class of psychotropic substances under special management of the state, if you have a need for medication, you must use it under the guidance of a doctor, do not blindly take it on your own, so as not to cause tolerance and addiction.