ADHD Stimulant Converter

Approximate dose equivalencies. Always individualize and titrate clinically.

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Approximate Equivalency Table

Methylphenidate (total daily) Mixed Amphetamine Salts (Adderall) Lisdexamfetamine (Vyvanse) Dexmethylphenidate (Focalin)
10 mg5 mg~20–30 mg5 mg
20 mg10 mg~30–40 mg10 mg
30 mg15 mg~50 mg15 mg
40 mg20 mg~60–70 mg20 mg
54–60 mg27–30 mg~70 mg27–30 mg

Based on approximate 2:1 methylphenidate:amphetamine ratio and common clinical references (AACAP, UpToDate-style guides). Lisdexamfetamine conversions are rough. Not a substitute for clinical judgment. Titrate to response and tolerability.