Prolonged use of Dizocin may result in dependence or uncomfortable symptoms such as abdominal pain, dizziness, and erythema. Dizocin belongs to synthetic strong opioid analgesic drugs in the clinic; because of its strong analgesic effect, it is mainly used for pain relief treatment in the clinic; long-term use of the drug may produce dependence on the drug, and when pain occurs after the need for multiple injections of the drug to be effective, and the duration of its drug maintenance will be shortened. Secondly, it may also affect the gastrointestinal function, resulting in nausea, vomiting, abdominal pain, diarrhea, constipation and other discomforts; it may also affect the skin, erythema, itching and other discomforts, and also affect the nervous system, headache, sleep disorders, depression and other discomforts. Usually for opioid analgesic drugs over, sulfate allergy is prohibited; and for renal insufficiency, hepatic insufficiency, brain damage should be used with caution, and pregnant women, lactating women, children need to be under the guidance of a doctor to use the drug. If you need to use Dizocin for long-term treatment, it is recommended to evaluate your condition under the guidance of a physician and follow the doctor’s instructions.