Jean Genet, a brain researcher and an autism survivor himself, truly believes that psychotropic drugs (i.e. Risperdal) can produce negative responses for the child over time. Although it is a stimulant drug which is known to fight ADHD, it is not immune from negative consequences. This is why kids with autism should be given better forms of treatment if possible.
Source: Health and Fitness: Autism Articles from EzineArticles.com