Stimulant withdrawal including amphetamines, methamphetamine or methcathinone

**Definition:** Stimulant withdrawal including amphetamines, methamphetamine and methcathinone is a clinically significant cluster of symptoms, behaviours and/or physiological features, varying in degree of severity and duration, that occurs upon cessation or reduction of use of stimulants in individuals who have developed Stimulant dependence or have used stimulants for a prolonged period or in large amounts. Stimulant withdrawal can also occur when prescribed stimulants have been used in standard therapeutic doses. Presenting features of stimulant withdrawal may include dysphoric mood, irritability, fatigue, insomnia or (more commonly) hypersomnia, vivid and unpleasant dreams, increased appetite, psychomotor agitation or retardation, and craving for amphetamine or related stimulants.

**Exclusions:** - Cocaine withdrawal - Caffeine withdrawal - Synthetic cathinone withdrawal