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IN THIS ISSUE:
April 2007

Paliperidone (Invega)
Paliperidone (Invega), recently approved to treat schizophrenia, is similar to risperidone (Risperidone) in efficacy and adverse effects.

Methylphenidate for ADHD in Preschool Children
Low doses of methylphenidate (Ritalin and others) are effective and safe for preschool children with ADHD but may cause more side effects than in older children.

A Case of Wernicke's Encephalopathy
Wernicke's encephalopathy is caused by thiamine deficiency, usually due to alcoholism or malnutrition.

In Brief
Taste Altered in Mood Disorders; Reduced Gray Matter May Predict Schizophrenia; FDA Issues Methadone Alert

Two Ineffective Adjuncts for Mania
Olanzapine (Zyprexa) and topiramate (Topamax) add no therapeutic benefit as adjunctive treatments for bipolar disorder.

Schizophrenia, Substance Abuse, and Violence
Substance abuse increases the risk of violent behavior in people with schizophrenia.

Methylphenidate for ADHD in Preschool Children

April 2007

We previously reviewed the treatment of attention deficit hyperactivity disorder (ADHD) in school-aged children, adolescents, and adults (BTP 2006;29:31-32, 2005;28:29, 2003;26:36). ADHD can occur in preschool-aged children as well. The incidence of preschool ADHD is unclear, but estimates…

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