aripiprazole exhibits high affinity for serotonin 5-ht1a, 5-ht2a receptors, dopamine d2, and dopamine d3. moderate affinity is exhibited for serotonin 5-ht7, alpha1-adrenergic, dopamine d4, histamine h1, and serotonin re-uptake site. no affinity for cholinergic muscarinic receptors have been found.