transtornos due to uso of stimulants including amphetamines, methamphetamine or methcathinone are characterised by the padrão and consequences of uso of these substances. There is a wide array of naturally occurring and synthetically produced psychostimulants other than cocaine. The most numerous of this group are the amphetamine-type substances, including methamphetamine. Prescribed stimulants including dexamphetamine are indicated for a limited number of conditions such as for Transtorno de déficit de atenção e hiperatividade. Methcathinone, known in many countries as ephedrone, is a synthetic potent stimulant that is a structural analogue of methamphetamine and is related to cathinone. All these drugs have primarily psychostimulant properties and are also vasoconstrictors to a varying degree. They induce euphoria and hyperactivity as may be seen in Stimulant intoxicação. They have potent dependência-producing properties, which may lead to the diagnosis of Stimulant dependência and Stimulant abstinência following the cessation of uso. Several Stimulant-Induced Mental transtornos are described.