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November 2008

Metformin for Antipsychotic-Associated Weight Gain
Most studies with metformin (Avandamet and others) suggest that it attentuates weight gain or actually promotes weight loss in patients who are taking antipsychotics.

In Brief
Valproate Teratogenicity Increased by High Dose, Concomitant Drugs;Celecoxib, Naproxen Do Not Protect Against Alzheimer's Disease

Atomoxetine versus Methylphenidate for Pediatric ADHD
Methylphenidate (Ritalin and others) appears to be more efficacious than atomoxetine (Strattera) for treating attention-deficit/hyperactivity disorder in children but has more adverse effects.

Rivastigmine (Exelon) Patch
A transdermal system for delivering rivastigmine (Exelon) is now available in the United States for treating dementia associated with Alzheimer's or Parkinson's disease.

Rivastigmine (Exelon) Patch

November 2008

As brain levels of acetylcholine synthesis decrease, severity of dementia may increase (BTP 2006;29:30-31).1 Cholinesterase inhibitor drugs diminish the breakdown of acetylcholine and thereby increase its availability in the brain. They are commonly prescribed to slow the progression…

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