Indication: It is mainly used for severe dyspnea caused by bronchospasm, can quickly relieve anaphylactic shock caused by drugs, and can also be used to prolong the duration of action of infiltration anesthesia drugs. It is the main rescue drug for cardiopulmonary resuscitation of cardiac arrest caused by various reasons.

Indication: This product is the most widely used opioid receptor antagonist in clinical practice. It is mainly used for: 1. Rescue acute poisoning by narcotic analgesics, antagonize the respiratory depression of this type of drug, and awaken the patient. 2. Antagonize the residual effects of narcotic analgesics. Newborns are affected by narcotic analgesics in their mothers and suffer respiratory depression, which can be antagonized by this product. 3. Rescue acute ethanol poisoning: intravenous injection of naloxone 0.4-0.6mg can awaken the patient. 4. For those suspected of being addicted to narcotic analgesics, intravenous injection of 0.2-0.4mg can stimulate withdrawal symptoms and has diagnostic value. 5. Awakening effect, which may activate the physiological awakening system through cholinergic effects to awaken the patient, and is used for general anesthesia awakening and anti-shock and some comatose patients.