For an amphetamine addict, coming down from this drug can take a few days. Moreover, the process of quitting amphetamines is often an uncomfortable one with symptoms like: Confusion, hallucinations, and paranoia Sleeping difficulties Extreme exhaustion Mood swings Irritability Depression Changes in body temperature   Most addicts may use other drugs or alcohol to cope with these uncomfortable symptoms. However, doing so only leads to a cycle of dependence in which an addict becomes reliant on all drugs he uses.