The salt of the dextro-isomer of amphetamine and sympathomimetic amine with CNS stimulating properties. Dextroamphetamine sulphate acts by facilitating the release of catecholamines, particularly noradrenaline and dopamine, from nerve terminals in the brain and inhibits their uptake. This leads to an increase in motor activity, causes euphoria, mental alertness and excitement and suppresses appetite. This drug causes dependence and may cause an increase in heart rate and blood pressure. It is used in the treatment of narcolepsy and attention deficit hyperactivity disorder.