Table 1.

Immediate-Release Formulations: Methylphenidate

Drug	Formulation(s)	Dose range	Comments
MPH oral solution	5 mg/5 mL and 10 mg/5 mL solutions	• Starting dose: 4–5-year old: 2.5–5 mg 6 years and older: 5–10 mg • Dosage range: 4–5-year old: 2.5–30 mg/day 6 years and older: 5–60 mg/day. Given in divided dose qd-tid • Dose can be increased by 5–10 mg/day weekly • Max dose 60 mg/day	• Dose the same as other dl-MPH formulations • Onset of response 30–45 minutes • Duration of response 3–4 hours postdose • Multiple manufacturers
MPH chewable tablet	2.5, 5, and 10 mg tablets	• Starting dose: 4–5-year old: 2.5–5 mg 6 years and older: 5–10 mg • Dosage range: 4–5-year old: 2.5–30 mg/day 6 years and older: 5–60 mg/day. Given in divided dose qd-tid • Dose can be increased by 5–10 mg/day weekly • Max dose 60 mg/day	• Dose the same as other dl-MPH formulations • Onset of response 30–45 minutes • Duration of response 3–4 hours postdose • Multiple manufacturers