Quetiapine is a commonly used antipsychotic drugs, in general, need to slowly stop taking, patients should generally according to their own situation, the condition of the doctor’s orders or under the guidance of a professional doctor to determine whether to stop taking the drug. 1. If you have a mild case of schizophrenia, depression, anxiety, etc., you generally need to take a month or so, and the condition has improved, you can gradually reduce the dosage of the drug. Generally speaking, for more serious patients, the symptoms are more obvious patients, stopping the drug time needs to be extended, in the reduction of the drug after the condition if the condition is not stable, may also need to extend the treatment time, continue to take the drug for more than two weeks. 2. If the high dose of the drug is suddenly stopped, then the patient will have some adverse reactions, such as nausea, vomiting, insomnia, etc., and some of the patients’ psychiatric disorders will be further aggravated. So to stop this drug must be in the doctor’s advice to gradually stop the drug or consult a professional doctor, under the guidance of the doctor to stop the drug, can not adjust the drug at will.