甲基苯丙胺(Methamphetamine,METH)是一种强效中枢神经兴奋剂,其兴奋感的产生与包括肾上腺素、多巴胺、血清素在内的神经递质的释放有关,易造成机体损害,尤其是神经系统。METH半衰期为8-24 h,药理学作用持久。同时吸食METH方式有多种,包括口服、口吸食、鼻吸食和静脉注射,其中静脉注射METH可以产生最快兴奋效果,因此共 Methamphetamine (METH), a potent central nervous system stimulant, is associated with the release of neurotransmitters, including epinephrine, dopamine and serotonin, and can easily cause damage to the body, especially the nerves system. METH half-life of 8-24 h, lasting pharmacological effects. At the same time, there are many ways to take METH, including oral, oral inhalation, nasal inhalation and intravenous injection, of which METH intravenous injection can produce the fastest excitement, so a total of