Side effects: are similar to those of chlorpromazine; it is claimed to have a lower
tendency to induce extrapypramidal symptoms than the classic neuroleptics,
although extrapypramidal phenomena, tardive dyskinesia and the neuroleptic
malignant syndrome have all been reported. Orthostatic hypotension has been
observed, particularly with high initial doses. It can induce a dose dependent
increase in plasma prolactin concentration. Weight gain may be notable.