Focalin
(dexmethylphenidate)
Full Prescribing Information | DailyMed Drug Information |
Forms/Strengths
- Tablets: 2.5 mg, 5 mg, 10 mg
Dosing
- Age: ≥ 6 y/o
- Onset: ~ 30 minutes
- Duration: 5-6 hours
- Considerations: Give approximately 1/2 the methylphenidate dose. Administer orally twice daily, at least 4 hours apart, with or without food.
- Initial Dose:
- New to methylphenidate: 2.5 mg twice daily
- Currently taking methylphenidate: Start with half the current total daily dose of methylphenidate (up to 10 mg twice daily)
- Titration: Increase by 2.5-5 mg daily every 3 to 7 days
- Max Dose: 20 mg/day (10 mg twice daily)
Quick Facts
- Increases synaptic dopamine and norepinephrine by enhancing presynaptic release
- Improves focus, attention, and impulse control
- Immediate-release formulation for rapid onset
- Unique formulation contains the isolated active dextroisomer (dexmethylphenidate), potentially allowing for lower dosing
- Common side effects: decreased appetite, insomnia, increased blood pressure, headache
Indications
- ADHD (ICD-10: F90.0)
Off-Label Uses
- N/A
How to Take
- Take once or twice daily, with doses at least 4 hours apart.
- Can be taken with or without food; high-fat meals may delay absorption.
- Swallow the tablet whole; do not crush, chew, or split.
- Avoid taking late in the day to prevent insomnia.
Side Effects
- Decreased appetite, weight loss
- Abdominal pain
- Nausea
- Insomnia
- Tachycardia, potential elevations in blood pressure
- Possible new or worsened psychiatric symptoms (psychosis, mania)
- Priapism (rare, but serious)
Monitoring / Labs
- Cardiovascular: Baseline and routine monitoring of heart rate and blood pressure.
- Growth in Pediatrics: Regular monitoring of height and weight to detect growth suppression.
- Psychiatric Symptoms: Observe for mood changes, anxiety, or psychosis.
- Abuse Potential: Monitor for misuse or diversion.
Education
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When to Call the Doctor:
- Severe mood changes, aggression, or suicidal thoughts.
- Chest pain, rapid heartbeat, shortness of breath (cardiovascular concerns).
- Uncontrolled movements, tics, or worsening anxiety.
- Numbness, coldness, or color changes in fingers or toes (circulatory issues).
- Unexplained weight loss or delayed growth in pediatric patients.
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Safety Tips:
- Monitor blood pressure and heart rate, especially in patients with cardiovascular risk.
- Use caution in patients with anxiety, bipolar disorder, or psychosis, as symptoms may worsen.
- Avoid caffeine and other stimulants, which may amplify side effects.
- Ensure adequate hydration and nutrition, as appetite suppression is common.
- Tapering may be required if discontinuing after long-term use.
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Parent Tips for Pediatric Patients:
- Encourage a nutrient-dense diet to counteract appetite suppression.
- Administer in the morning before school for optimal effect.
- Monitor school performance and behavioral changes.
- Observe for sleep disturbances; adjust timing if necessary.
- Communicate regularly with teachers and caregivers about medication effects.
Additional Information
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Contraindications:
- Hypersensitivity to dexmethylphenidate or formulation components.
- Use within 14 days of MAOI therapy (risk of hypertensive crisis).
- Symptomatic cardiovascular disease, moderate-to-severe hypertension, hyperthyroidism, glaucoma.
- History of substance use disorder, unless benefits outweigh risks.
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Pregnancy:
- Category C; use only if benefits outweigh risks.
- May cause neonatal withdrawal symptoms or low birth weight.
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Lactation:
- Excreted in breast milk; not recommended due to potential infant exposure.
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Drug Interactions:
- Serotonergic drugs (e.g., SSRIs, SNRIs, MAOIs) increase serotonin syndrome risk.
- Acidifying agents (e.g., ascorbic acid) may reduce drug absorption.
- Alkalinizing agents (e.g., sodium bicarbonate) may increase dexmethylphenidate levels.
- May potentiate hypertensive effects of certain medications (e.g., decongestants, beta-agonists).