Such radical treatments are indeed needed, some doctors and experts say, to help young
children with severe problems stay safe and
in school or day care.
In 2006, the F.D.A. did approve treating children as young as 5 with Risperdal if they had autistic disorder and aggressive behavior, self-injury tendencies, tantrums or severe mood swings. Two other drugs, Seroquel from AstraZeneca and Abilify from Bristol-Myers Squibb, are permitted for youths 10 or older with bipolar disorder.