Atomoxetine is a drug that is a derivative of phenylpropane. The mechanism of action of the drug has not been precisely established, the most likely mechanism of action is inhibition of the presynaptic norepinephrine transporter, without a noticeable direct effect on the serotonin and dopamine transporters. Atomoxetine does not belong to the group of psychostimulants, and is not an amphetamine derivative. The drug is used to treat attention deficit hyperactivity disorder in children and adolescents, and can also be used for school maladaptation syndrome.