Qmax XR 50 mg is an extended-release antipsychotic medication produced by ACI Limited in Bangladesh. Each tablet contains 50 mg of Quetiapine Fumarate, equivalent to 50 mg of quetiapine. It is formulated to release the active ingredient gradually over time, allowing for once-daily dosing. This medication is primarily used to treat schizophrenia and bipolar disorder, including manic and depressive episodes, and to prevent recurrence in bipolar disorder.