Mixed Amphetamine Salts (Adderall)

Class

Central nervous system stimulant

Mechanism

Promotes release of dopamine and norepinephrine and inhibits their reuptake, increasing synaptic concentrations and enhancing attention and alertness

FDA-Approved Use

Attention-deficit/hyperactivity disorder (ADHD), narcolepsy

Off-Label Use

Augmentation in treatment-resistant depression; management of cancer-related fatigue; treatment of apathy or executive dysfunction in Parkinson’s disease (PD), post-stroke cognitive impairment, and dementia

Formulation

Immediate-release (IR) tablets, extended-release (XR) capsules

Titration

IR: 5 mg p.o. in the morning, titrated as tolerated; XR: 10 mg daily, titrated as tolerated (typical dose range 5–40 mg/day)

Dose Range

5–40 mg/day (individualized by clinical response and formulation)

Kinetics

Half-life ~9–14 hours; metabolized hepatically; IR requires multiple daily doses, XR allows once-daily dosing

Common AEs

Decreased appetite, insomnia, anxiety, dry mouth, headache, weight loss, elevated blood pressure and heart rate, abdominal discomfort

Serious/Rare AEs

Potential for misuse, abuse, and dependence; cardiovascular events (rare)

Monitoring

Periodic assessment of blood pressure, heart rate, sleep, mood, and risk of misuse or abuse

Black Box Warning

Risk of abuse and dependence; monitor carefully

Considerations

May be used cautiously as augmentation in mood disorders or to address fatigue, apathy, or slowed cognitive processing in PD, post-stroke, or dementia, though evidence is limited. Use with caution in elderly patients and avoid in individuals with uncontrolled hypertension, cardiac arrhythmias, or a history of substance use disorder. Regular monitoring of cardiovascular status, psychiatric symptoms, and misuse risk is recommended.