Stimulant — amphetamine
Adderall XR
Mixed amphetamine salts (extended release)
DEA Schedule II FDA approved adults
Pediatric ages 6+
How it works
Same as Adderall IR; capsule contains immediate- and delayed-release beads to extend duration.
At-a-glance
- Onset of effect
- 0.5–1.5 h
- Typical duration of effect
- 10–12 h
- Half-life
- ~9–11 (d-amphetamine), ~11–14 (l-amphetamine)
- Formulations
- Oral capsule (XR, beaded)
- Adult dose range
- 5–40 mg once daily
FDA max: 40 mg/day - Pediatric dose range
- 5–30 mg once daily
Common side effects
- Decreased appetite
- Insomnia
- Dry mouth
- Weight loss
- Anxiety
Important warnings
- High abuse potential (Schedule II)
- Cardiovascular risk
Notes
Capsule beads can be sprinkled on applesauce for patients who cannot swallow capsules.
Source
Reference data is sourced from the current FDA prescribing information at DailyMed. Dose ranges, approved ages, and warnings change over time — always check the current label and consult your prescriber.