Generally taking quetiapine for a few weeks to a few months or so can be discontinued under doctor’s supervision, but there is no specific time. Quetiapine belongs to a kind of antipsychotic drugs, clinical commonly used in the treatment of schizophrenia. If the patient’s condition is mild, joint psychotherapy, etc., usually take quetiapine for a few weeks or so, the condition improves can be discontinued. However, for some patients with more serious conditions, who adjust the dosage at will, usually take quetiapine for a few months, or even a longer period of time. Quetiapine is contraindicated if you are allergic to the ingredients of quetiapine. Since quetiapine is metabolized by the liver, it should be used with caution in patients with hepatic insufficiency, and regular visits to the doctor are required to review liver function. It should also be used with caution in special populations with known cardiovascular disease, cerebrovascular disease, and a history of convulsions. Alcoholic beverages should not be consumed while taking this product. Patients are advised to follow the doctor’s instructions to use the drug treatment, not to use the drug or increase or decrease the dosage at will, in order to prevent poisoning caused by drug overdose. Some patients should also actively cooperate with the doctor for psychotherapy to promote the recovery of health.