Risperidone Dosing for Autism
For children weighing less than 44 pounds, the recommended starting dose is risperidone 0.25 mg once daily (or half of a risperidone 0.25 mg tablet twice daily). For children weighing 44 pounds or over, the recommended starting dose is risperidone 0.5 mg once daily (or risperidone 0.25 mg twice daily). After a minimum of four days, your healthcare provider may increase the dose up to risperidone 0.5 mg once daily (or risperidone 0.25 mg twice daily) for children weighing less than 44 pounds. For children weighing 44 pounds or more, the dose can be increased up to risperidone 1 mg once daily (or risperidone 0.5 mg twice daily).
- Risperidone comes in tablet form. It is usually taken by mouth once or twice a day.
- Risperidone can be taken with or without food. If risperidone bothers your stomach, try taking it with food.
- Risperidone also comes in a liquid form and in orally disintegrating tablets that dissolve rapidly in the mouth (risperidone M-Tabs®). These products are helpful for people who have difficulty swallowing tablets. A long-acting injectable form is also available.
- Risperidone M-Tabs should be kept in their original foil blister until just before use. Carefully peel back the foil, as pushing the tablet through the foil can crush the delicate tablet. These tablets will dissolve rapidly in your mouth, without any need for water. These tablets should not be chewed, split, or crushed.
- Risperidone should be taken at the same time(s) each day to maintain even levels of the drug in your blood.
- For risperidone to work properly, it must be taken as prescribed. Risperidone will not work if you stop taking it.
- If you are unsure about anything related to your dosage or risperidone dosing in general, please talk with your doctor, nurse, or pharmacist. Do not stop taking risperidone without first discussing it with your healthcare provider (see Risperdal Withdrawal).