Risperidone can be administered once or twice daily. Initial oral dosing for treating schizophrenia is generally 2 mg/day. Dose increases can occur in increments of 1-2 mg/day, as tolerated, to a recommended dose of 4-8 mg/day. Schizophrenia. Risperdal ® (risperidone) is indicated for the treatment of schizophrenia. Efficacy was established in 4 short-term trials in adults, 2 short-term trials in adolescents (ages 13 to 17 years), and one long-term maintenance trial in adults [see Clinical Studies (14.1)] The pros and cons of Risperdal as medication treatment for children with severe behavior problems, including aggression and irritability. Le rythme d'administration (une ou deux fois par jour), la surveillance biologique par l'INR permettant l'adaptation de la dose journalière sont effectués suivant les mêmes principes que chez l'adulte. Schizophrenia. The recommended dose for the treatment of schizophrenia is 25 mg IM every 2 weeks. Although dose response for effectiveness has not been established for RISPERDAL CONSTA ®, some patients not responding to 25 mg may benefit from a higher dose of 37.5 mg or 50 mg. Risperdal (Risperidone) is an antipsychotic drug that is primarily used to treat schizophrenia as well as bipolar disorder. In some cases it is used to help manage schizoaffective disorder as well as irritability among individuals with autism. Risperidone is used to treat the symptoms of schizophrenia (a mental illness that causes disturbed or unusual thinking, loss of interest in life, and strong or inappropriate emotions) in adults and teenagers 13 years of age and older. Less than 4 weeks since first injection; Administer the second initiation dose of 156 mg in the deltoid muscle as soon as possible Administer a third injection of 117 mg in either the deltoid or gluteal muscle 5 weeks after the first injection (regardless of timing of the second injection) Posologie. Adultes. Il est recommandé d'initier le traitement à faible dose, celle-ci pouvant ensuite être ajustée en fonction de la réponse du patient. Learn about Risperdal (Risperidone) may treat, uses, dosage, side effects, drug interactions, warnings, patient labeling, reviews, and related medications.