Risdone Plus Tablet is a medicine used to manage certain conditions affecting the brain. It helps improve mood, thoughts and behaviour in patients with schizophrenia. It is also prescribed for bipolar disorder, which is a mental disorder characterised by extreme mood swings. Learn about Risdone uses, dosage, side effects, food interactions, and more. Get all the details about Risdone from MedicinesFAQ. Risdone Plus Tablet contains a combination of two active ingredients, namely risperidone and trihexyphenidyl hydrochloride. It is taken orally, and is commonly prescribed for conditions such as schiz. ophrenia, mania, and to control acute manic episodes that affect patients with bipolar disorder. Risdone Plus Tablet is used to treat schizophrenia. It contains Risperidone and Trihexyphenidyl, which decreases dopaminergic and serotonergic activity in the brain, and reduces the symptoms of schizophrenia and mood disorders. It acts on the nervous system and corrects some of the chemical imbalances that cause Parkinson's disease and some side effects that arise during antipsychotic treatment. In some cases, it may cause side effects like nausea, constipation, dry mouth, weight gain ...