Hypomania induced by atypical antipsychotics among schizophrenic patients: report of three cases.

Induction of mania or hypomania related to the use of atypical antipsychotics among patients with no history of mood disorders has been previously reported. We reported the cases of three schizophrenic patients with no previous history of mood disorders (including no history of mania or hypomania episodes) who developed hypomania associated to the use of atypical antipsychotics.