Posted by: BMJ | 2009/09/24



Hi Doc

My 8 old son is on 36mg concerta for adhd (has been on Ritalin since 6. He weighs 28kgs and is 1.36 m tall). He responds very well to it. We moved him from 20mg LA Ritalin at the end of term 2. We received his report and although he still did very well, he has had a slight regression in some areas. His teacher mentioned that his concentration was not as good as it was and he has made careless mistakes - not because he does not know the work, but because he was not concentrating. I find the concerta is fine for his afternoon homework. Do you think it would be ok to talk to his paed about the possibility of an additional 5mg short acting in the mornings only (on top of the concerta). I dont think he needs the 52mg concerta yet.

I would appreciate your opinion.

Thank you

Expert's Reply



Thank you for giving me such clear information including your son's weight and height.You can safely increase your son's Concerta dose to 54mg which is the maximum recommended daily dose of this treatment for children aged 6 to 12 years.This would be better than adding Ritalin in the morning.I am sure that you know that Ritalin and Concerta are the same medicines namely methylphenidate hydrochloride. The Concerta is just a slow release form of methylphenidate.

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