Commonly Used Anti-Epileptic Medications in Pediatrics

This table provides approximate maintenance dosing ranges for commonly used anti-epileptic medications in children (not neonates). Exact dosing, titration schedules, and drug combinations should follow neurology or local protocols.

Key points:
• Doses are usually given in divided doses (e.g. 2–3 times per day).
• Always adjust for age, weight, renal/hepatic function and comorbidities.
• For status epilepticus, use your local emergency/status protocol (loading doses etc.).
Anti-epileptic drugs have significant interactions and toxicity risks. Never start, stop, or rapidly change doses without senior/neurology input unless in an acute emergency and according to protocol.

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Common Paediatric Anti-Epileptic Doses (Maintenance)

Medication Typical Paediatric Dose (Maintenance) Route Precautions / Monitoring
Carbamazepine ~10–20 mg/kg/day in 2–3 divided doses (start low and titrate up according to response and serum levels, if measured) Oral Monitor LFTs, FBC (risk of blood dyscrasias), and sodium (hyponatraemia). Watch for rash and neurotoxicity (dizziness, ataxia).
Lamotrigine Maintenance range ~1–15 mg/kg/day in 1–2 divided doses (titrated very slowly over weeks according to local protocol and co-medications). Oral Must be titrated slowly to reduce risk of serious rash (incl. Stevens–Johnson syndrome). Dosing schedules differ if given with valproate or enzyme inducers – follow neurology guidelines.
Levetiracetam ~20–60 mg/kg/day in 2 divided doses (e.g. start around 10 mg/kg twice daily and increase as needed). Oral or intravenous May cause behavioural changes (irritability, mood changes). Adjust dose in renal impairment. Generally fewer interactions than many other AEDs.
Phenytoin Maintenance ~4–8 mg/kg/day in 1–2 divided doses (after an appropriate loading dose for status, per protocol). Oral or intravenous Narrow therapeutic index – monitor serum levels and watch for toxicity (nystagmus, ataxia, confusion, arrhythmias with IV use). Many drug interactions; adjust in hepatic impairment.
Sodium Valproate ~15–60 mg/kg/day in 2–3 divided doses (start with lower dose and titrate up). Oral Monitor LFTs and platelet count. Watch for abdominal pain, jaundice, bruising/bleeding. Avoid or use with extreme caution in known liver disease or metabolic disorders.