Aminophenol Phenobarbital Tablets are mainly used for the treatment of various post-surgical pain, post-fracture pain, moderate cancer pain, bone and joint pain, toothache, headache, neuralgia, generalized pain, soft tissue injuries and dysmenorrhea. Aminophenol Phenobarbital Tablets is a compound preparation containing acetaminophen, codeine phosphate and other ingredients. It has analgesic effect, and has certain antipyretic and antitussive effect. The two drugs exert analgesic effects through different mechanisms of action. Acetaminophen can inhibit the synthesis of prostaglandins and block the impulse of nociceptive nerve endings to produce analgesia, the latter may be related to the inhibition of prostaglandins or other substances that can sensitize pain receptors (such as 5-hydroxytryptamine, bradykinin, etc.) synthesis. It produces peripheral vasodilatation through the hypothalamus thermoregulatory center, and can also play a role in antipyretic effects by increasing blood flow, sweating and heat dissipation in the skin. Codeine phosphate has a direct inhibitory effect on the cough center in the medulla oblongata. In addition, there are analgesic and sedative effects. The combination of the two drugs has a synergistic analgesic effect, while still being able to play their original role. Adverse reactions such as dizziness, sweating, nausea, drowsiness, and respiratory depression may occur after administration of Amphetamine Tablets. Tolerance may develop after repeated administration and addiction may occur with prolonged use. It is contraindicated in patients who are hypersensitive to any of the components of Aminophenothine Tablets, in patients with respiratory depression and obstructive respiratory diseases, especially asthma, in patients with excessive phlegm, in children under 12 years of age, in lactating women, and in patients with ultra-rapid metabolism of CYP2D6. If you need to use aminophenetidine tablets, please consult a professional doctor, follow the doctor’s instructions, reasonable use of medication.