Metadate CD
(methylphenidate CD)
Full Prescribing Information | DailyMed Drug Information |
Forms/Strengths
- Capsules: 10 mg, 20 mg, 30 mg, 40 mg, 50 mg, and 60 mg
Dosing
- Age: ≥ 6 y/o
- Onset: ~ 30-60 min
- Duration: 8-12 hours
- Release Profile: 30% IR, 70% ER
- Considerations: The capsule can be opened, and beads can be swallowed with applesauce. Take orally once daily in the morning, preferably before breakfast.
- Initial Dose: 20 mg
- Titration: 10-20 mg weekly
- Max Dose: 60 mg/day
Quick Facts
- Blocks dopamine/norepinephrine reuptake; enhances focus, attention, impulse control
- Extended-release methylphenidate capsule with biphasic release: immediate and delayed
- Immediate portion for rapid onset; delayed portion for sustained effect and optimized plasma levels
- Common side effects: decreased appetite, insomnia, headache, stomach upset
Indications
- ADHD (ICD-10: F90.0)
Off-Label Uses
- N/A
How to Take
- Take once daily in the morning to minimize the risk of insomnia.
- Can be taken with or without food; high-fat meals may delay absorption.
- Swallow the capsule whole; do not crush or chew.
- If needed, the capsule may be opened and sprinkled on applesauce—consume immediately without chewing.
Side Effects
- Common: Anorexia, insomnia, headache, abdominal pain.
- Serious: Cardiovascular events, psychiatric adverse reactions, growth suppression, priapism, peripheral vasculopathy
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 methylphenidate 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 methylphenidate levels.
- May potentiate hypertensive effects of certain medications (e.g., decongestants, beta-agonists).