Zentoda Long-Acting Injection should be referred to as paliperidone palmitate injection, paliperidone palmitate injection has the side effects of increasing mortality in elderly patients with dementia-related psychosis and cerebrovascular adverse events in elderly patients with dementia-related psychosis when used for three years. Paliperidone Palmitate Injection has Paliperidone Palmitate, Citric Acid Monohydrate, Disodium Hydrogen Phosphate, Sodium Dihydrogen Phosphate Monohydrate, etc. Long-term use for three years has side effects such as increased mortality in elderly patients with dementia-associated psychosis, cerebrovascular adverse events in elderly patients with dementia-associated psychosis, antipsychotic medication malignant syndrome, and delayed dyskinesia. Paliperidone palmitate injection is a second-generation antipsychotic drug indicated for the treatment of schizophrenia in the acute and maintenance phases. It is important to note that the drug is contraindicated for use in patients who are allergic to paliperidone or risperidone, as well as patients who are allergic to any of the excipients of the product. Paliperidone Palmitate Injection should be used under the guidance of a doctor, and should not be used without authorization to avoid delays.