Risperidone is used clinically for the treatment of acute and chronic schizophrenia, as well as a variety of other psychotic states with significant positive symptoms. Risperidone is an antipsychotic drug. Risperidone is used to treat acute and chronic schizophrenia, as well as various other psychotic states with marked positive symptoms such as hallucinations, fantasies, disturbed thinking, hostility, suspicion and marked negative symptoms such as unresponsiveness, emotional and social apathy, and hypotonia. Emotional symptoms associated with schizophrenia such as depression, guilt, and anxiety may also be reduced. Usually, risperidone is associated with adverse reactions such as insomnia, anxiety, headache, and dry mouth, and if they are not serious you can stay on the medication. If the adverse reactions are severe, the medication should be stopped immediately and medical attention should be sought. The doctor will decide whether to continue the medication or switch to another medication depending on the severity of the adverse reactions. In addition, risperidone should be used with caution in children under 18 years of age, patients with cardiovascular disease, Parkinson’s syndrome, epilepsy, congenital prolonged Q-T interval syndrome, and those with a history of arrhythmia. Risperidone is contraindicated in patients with hypersensitivity to risperidone, paliperidone or. Risperidone is a prescription drug, must be prescribed by a doctor according to the specific condition before use, do not self-medication.