In fact, these authors did not show that antipsychotics selectively blocked dopamine receptors; their paper speculated that chlorpromazine and haloperidol blocked monoamine receptors for serotonin ...

Second, is the adverse-effect profile of the newer ... high affinity for the dopamine receptor type 2) drug haloperidol in 95 studies, and the low-potency drug chlorpromazine in 28 studies ...