Fentanyl is a potent anesthetic analgesic for pain and surgical analgesia with an analgesic effect about 80 times that of morphine. But at the same time, it is an important component of the third generation of drugs after the traditional drugs and synthetic drugs, "laboratory drugs."
Fentanyl was first developed by the Belgian doctor Paul Janssen in 1960. It was approved for medical use in the United States in 1968. When it is used in combination with other drugs, it is usually used as a pain drug or an anesthetic. Patch. Its typical side effects include lethargy, confusion, and nausea. More serious side effects include addiction, hypotension, and respiratory depression. If not resolved quickly by a medical professional, a reduction in breathing effort may result in death.
Later, fentanyl was used as an entertaining drug and became an important component of laboratory drugs. Due to its high effectiveness, there have been numerous cases of drug overdose deaths between 2000 and 2017. Studies have shown that 3 to 58 mg / liter of fentanyl in human blood can be fatal, and the concentration in the body of Princes is 69 mg / liter; the drug content in the liver over 69 mg / kg can also be fatal.