The price of Tramadol Hydrochloride Injection is usually $16~25, and it is recommended to consult local hospitals or regular pharmacies. 1. Tramadol Hydrochloride Injection is suitable for all kinds of acute and chronic pain, such as cancer pain, fracture or postoperative pain. 2. Different manufacturers, different hospitals or pharmacies as well as different sales areas have different pricing for it, which is currently not standardized, but is generally in the range of $16~25, and the difference is generally not very large. 3. Adverse effects of the drug may include nausea, vomiting, diarrhea, dry mouth, dizziness, headache, drowsiness, rash, fatigue, chest tightness, shortness of breath, pain at the injection site, hypoglycemia, muscle weakness, tinnitus and other symptoms. 4. It is forbidden for those who are allergic to it, those who have severe respiratory depression, severe brain damage, blurred consciousness, acute or severe bronchial asthma. When Tramadol Hydrochloride Injection is used, it should be injected by professional medical personnel, and should not be used blindly by oneself.