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Child Behavior  (Expert Forum)
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Concerta, agressive behavior
Answered by
Kevin Kennedy, Ph.D. - Child and Adolescent Psychotherapy, Family Therapy, Crisis Intervention
Harvard Vanguard Medical Associates
This forum is for questions and support regarding child behavior issues such: Child Discipline (behavior management), Normal Child Development, Parent-Child Communications, Social Development

Concerta, agressive behavior

by Emsee, Apr 01, 2004 12:00AM
My 16 year old son, diagnosed with ADHD, has been on Concerta for 7 months.

Recently his doctor increased his dosage. He tells me that when his medication stops to produce its effect at night, he feels totally hyper. According to him, he did not have this problem when he was on a lower dose. He is in boarding school, and went into trouble recently for acting agressively, at night,towards his peers.

That is the first time it has happened since he started going to school ( his teachers complained about his excessive talking, interrupting , lack of focus, etc. But agressive behavior had never been a problem ).

Could Concerta have this sort of side effects?

Thank you in advance for your input.

by Kevin Kennedy, Ph.D., Apr 02, 2004 12:00AM
Yes, it is possible that a rebound sort of effect occurs as the medication disappears from the system at the end of the approx. 12-hour period. Your son could (and probably should) return to the prior dose and see if the effect disappears. If so, it would confirm the suspicion that the higher dose is the cause of the rebound effect. If he does not do well enough at the lower dose, it would be possible to utilize a different long-acting preparation (probably a sensible plan would be to use an amphetamine-based preparation, such as Adderall XR, rather than another methylphenidate-based product, such as Ritalin LA).
Member Comments (1)

by jesse07, Apr 10, 2008 05:20PM
A related discussion, concerta's side effect was started.
Continue discussion
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