Methamphetamine, commonly known as meth, is a highly addictive stimulant drug that can cause physical and psychological dependence. Quitting meth can be challenging, and it can cause a range of physical and psychological withdrawal symptoms. Physical withdrawal symptoms may include: Fatigue or exhaustionIncreased appetiteInsomnia or hypersomnia (excessive sleepiness)Tremors or shakingChills or sweatingHeadachesMuscle aches and painsNausea … Continue reading What Happens When You Quit Meth