Aripiprazole, sold under the brand name Abilify among others, is an atypical antipsychotic. It is recommended and primarily used in the treatment of schizophrenia and bipolar disorder. Other uses include as an add-on treatment in major depressive disorder, tic disorders, and irritability associated with autism. Aripiprazole is a quinoline derivate and atypical anti-psychotic agent. Aripiprazole has partial agonistic activity at dopamine D2 receptors and serotonin 5-HT1A receptors, as well as potent antagonistic activity on serotonin 5-HT2A receptors.