Methamphetamine (deoxyephedrine) is a potent stimulant with a high potential for addiction. Like amphetamine, this drug increases activity, decreases appetite, and causes a general feeling of wellbeing. It also excites signals of reward and gratification in neural receptors: produces euphoria, relieves fatigue and increases performance in simple tasks.
Addicts of this substance may stay up for days, creating extreme physical, psychological, and cognitive exhaustion. Once the drug effects subside, extreme psychomotor agitation occurs; sometimes associated with violent behavior and persecutory delusions reaching severity barely distinguishable from those that characterize schizophrenia.
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