Risperdal (Risperidone): Information from DrugDigest on dosage, usage, side effects, and interactions of this antipsychotic medication.
Risperdal.com: From Janssen Pharmaceutica. Atypical antipsychotic medication for schizophrenia treatment.
Risperidone: Information from the RxList, including pharmacology, dosage, drug interactions, side effects, warnings and precautions, and advice for patients.