Table 2.

Extended Release Methylphenidate and Immediate Release Methylphenidate (IR-MPH) Dosing Levels, by Child's Body Weight

Methylphenidate (MPH) dose regimen	Morning dose: Ritalin LA	Afternoon dose: IR-MPH
Lower body weight group (20–24 kg)
Low dose	10 mg Ritalin LA	2.5 mg IR-MPH
Medium dose	15 mg Ritalin LA	5 mg IR-MPH
High dose	20 mg Ritalin LA	5 mg IR-MPH
Medium body weight group (25–33 kg)
Low dose	10 mg Ritalin LA	5 mg IR-MPH
Medium dose	20 mg Ritalin LA	5 mg IR-MPH
High dose	30 mg Ritalin LA	10 mg IR-MPH
Larger body weight group (34–59 kg)
Low dose	20 mg Ritalin LA	5 mg IR-MPH
Medium dose	30 mg Ritalin LA	10 mg IR-MPH
High dose	40 mg Ritalin LA	10 mg IR-MPH