Drug trials have shown that risperidone has a small but significant beneficial effect on aggression and, to a lesser extent, psychosis for people with Alzheimer’s disease. These effects are seen when the drug is taken for a period of 6–12 weeks.

Drug trials have shown that risperidone has a small but significant beneficial effect on aggression and, to a lesser extent, psychosis for people with Alzheimer’s disease. These effects are seen when the drug is taken for a period of 6–12 weeks.