Risperdal Information from Janssen, L.P.
Drug manufacturer's website containing information on Risperdal

Risperdal Information from the FDA
Patient Information Sheet from the U.S. Food and Drug Administration's (FDA) Center for Drug Evaluation and Research

Atypical Antipsychotic Drug Information
From the FDA's Center for Drug Evaluation and Research

MedlinePlus Drug Information: Risperidone (marketed as Risperdal)
Risperdal information from the U.S. National Library of Medicine and the National Institutes of Health

Schizophrenia
Information from the National Institute of Mental Health (NIMH)