CNS stimulants (ADHD)

Nursing pharmacology study reference (NCLEX-style monograph). Numeric values are standard teaching ranges for study and must be verified against current manufacturer labeling before clinical use. This is educational content, not prescribing guidance.

CNS stimulants (ADHD) (brand names Ritalin, Concerta, Adderall, Vyvanse) — ADHD agents, stimulants; CNS stimulants (controlled C-II).

Identification

• Therapeutic class: ADHD agents, stimulants.
• Pharmacologic class: CNS stimulants (controlled C-II).

Pharmacology

• Mechanism of action: Increase dopamine and norepinephrine in the CNS to improve attention and impulse control.
• Onset / peak / duration: Immediate-release within an hour; ER and prodrug (lisdexamfetamine) provide all-day effect.
• Half-life / therapeutic level: Varies; level not routine.

Clinical use

• Indications: ADHD, narcolepsy.
• Usual dose, route, frequency: PO once or more daily, often morning; avoid late dosing (insomnia).
• Maximum dose / adjustments: Titrate to response; use lowest effective dose.

Safety

• Contraindications: Serious cardiac disease, uncontrolled hypertension, hyperthyroidism, MAO inhibitor use, glaucoma, history of stimulant misuse.
• Black box warning: High potential for abuse and dependence.
• Interactions: MAO inhibitors (hypertensive crisis), sympathomimetics, serotonergic drugs, acid or alkaline urine (amphetamine levels).
• Pregnancy / lactation: Use only if clearly needed.
• High-alert: No.

Adverse effects

• Common side effects: Decreased appetite, insomnia, weight loss, irritability, increased heart rate and blood pressure.
• Serious effects to report: Cardiac events, growth suppression in children, psychiatric symptoms, signs of misuse.
• Antidote / reversal: Supportive care.

Nursing process

• Assessment before administration: Cardiac history, blood pressure and heart rate, growth in children, baseline behavior.
• Interventions during therapy: Give in the morning; monitor growth, weight, and cardiovascular signs.
• Monitor: Blood pressure, heart rate, weight and growth, sleep, behavior.
• Evaluation / expected outcome: Improved attention and impulse control.

Patient teaching

• Patient teaching: Take early; secure the medication; report chest pain or palpitations.
• Notify provider if: Chest pain, palpitations, marked weight loss, new psychiatric symptoms.
• Administration tips: Morning dosing; swallow ER whole.