s a variable that needs to be considered in treating the ADHD
. If it looks like either (a) her medication
may cause the chewing, or (b) the medication
is exacerbating her anxiety, it would be sensible to switch to a non-stimulant treatment (such as Strattera) for the ADHD. Talk to her providers about all this. Also, ask them if she thinks she might display a PDD-spectrum disorder. Compulsive chewing is not typical of such disorders except in the more severe categories.