1.1. Adults

Printer-friendly version

The maximum adult recommended doses for available psychostimulants used in ADD/ADHD management are summarized in Table 1.

Table 1. Maximum Recommended Adult Dosages for Stimulant ADHD Medications^1-24
Drug Name	Dosage Form/Strength	Maximum Recommended Dosage
amphetamine salts (mixed)*(Adderall, generic)	5 mg, 7.5 mg, 10 mg, 12.5 mg, 15 mg, 20 mg, 30 mg tablets	60 mg/day
amphetamine salts (mixed)*(Adderall XR, generic)	5 mg, 10 mg, 15 mg, 20 mg, 25 mg ER capsules	20 mg/day
amphetamine salts, mixed* (Mydayis, generics)	12.5 mg, 25 mg, 37.5 mg, 50 mg ER capsules	50 mg/day
amphetamine (Adzenys XR-ODT)	3.1 mg, 6.3 mg, 9.4 mg, 12.5 mg, 15.7 mg, 18.8 mg extended-release (ER) orally disintegrating tablets	12.5 mg once daily
amphetamine (Dyanavel XR)	5 mg, 10 mg, 15 mg, 20 mg ER tablets; 2.5 mg/mL ER oral suspension	20 mg once daily
dexmethylphenidate (Focalin, generic)	2.5 mg, 5 mg, 10 mg tablets	20 mg/day
dexmethylphenidate (Focalin XR, generic)	5mg, 10 mg, 15 mg, 20 mg, 25 mg, 30 mg, 35 mg, 40 mg ER tablets	40 mg/day
dextroamphetamine (Xelstrym)	4.5 mg/9 hours, 9 mg/9 hours, 13.5 mg/ 9 hours, 18 mg/9 hours transdermal system	18 mg/9 hours daily
lisdexamfetamine (Vyvanse)	10 mg, 20 mg, 30 mg, 40 mg, 50 mg, 60 mg, 70 mg capsules; 10 mg, 20 mg, 30 mg, 40 mg, 50 mg, 60 mg chewable tablets	70 mg/day
methylphenidate (Adhansia XR)	25 mg, 35 mg, 45 mg, 55 mg, 70 mg, 85 mg ER capsules	100 mg/ day
methylphenidate (Aptensio XR)	10 mg, 15 mg, 20 mg, 30 mg, 40 mg, 50 mg, 60 mg ER capsules	60 mg/day
methylphenidate (Concerta, generic)	18 mg, 27 mg, 36 mg, 54 mg ER tablets	72 mg/day
methylphenidate (Jornay PM)	20 mg, 40 mg, 60 mg, 80 mg, 100 mg ER capsules	100 mg/ day
methylphenidate (Metadate CD, generic)	10 mg, 20 mg, 30 mg, 40 mg, 50 mg, 60 mg ER capsules	60 mg/day
methylphenidate (generic)	10 mg, 20 mg ER tablets	60 mg/day
methylphenidate (Methylin, generic)	5 mg/5 mL (500 mL); 10 mg/5 mL (500 mL) IR oral solution	60 mg/day
methylphenidate (generic)	2.5 mg, 5 mg, 10 mg immediate-release (IR) chewable tablets	60 mg/day
Methylphenidate (Relexxii)	18 mg, 27 mg, 36 mg, 45 mg, 54 mg, 63 mg, 72 mg ER tablets	72 mg/day
methylphenidate (Ritalin, generic)	5 mg, 10 mg, 20 mg IR tablets	60 mg/day
methylphenidate (Ritalin LA, generic)	10 mg, 20 mg, 30 mg, 40 mg, 60 mg (generic only) ER capsules	60 mg/day
methylphenidate (QuilliChew ER)	20 mg, 30 mg, 40 mg ER chewable tablets	60 mg/day
methylphenidate (Quillivant XR)	300 mg/60 ml, 600 mg/120 ml, 750 mg/150 ml, 900 mg/180 ml ER suspension	60 mg/day
serdexmethylphenidate & dexmethylphenidate (Azstarys)	26.1 mg/5.2 mg, 39.2 mg/7.8 mg, 52.3 mg/10.4 mg capsules	52.3 mg/10.4 mg/ day

Legend:

* Mixed amphetamine salts are a 1:1:1:1 combination of dextroamphetamine sulfate, dextroamphetamine saccharate, amphetamine aspartate monohydrate and amphetamine sulfate

Table 2. Maximum Recommended Adult Dosages for Non-Stimulant ADHD Medications: Selective Norepinephrine Reuptake Inhibitors^1,25,26
Drug Name	Dosage Form/Strength	Maximum Recommended Dosage
atomoxetine (Strattera, generics)	10 mg, 18 mg, 25 mg, 40 mg, 60 mg, 80 mg, 100 mg capsules	100 mg/day
viloxazine (Qelbree)	100 mg, 150 mg, 200 mg ER capsules	600 mg/day

Table 3. Maximum Recommended Adult Dosages for Non-Stimulant ADHD Medications: Selective Alpha2A-Adrenergic Receptor Agonists^1,27
Drug Name	Dosage Form/Strength	Maximum Recommended Dosage
guanfacine (Intuniv, generics)	1 mg, 2 mg, 3 mg, 4 mg ER tablets	7 mg/day