Epilim

Presentation:
Available in multiple formulations:

• Tablets: 200 mg, 500 mg Sodium Valproate

• Syrup: 200 mg/5 ml

• CR Tablets (controlled-release): 300 mg, 500 mg

• Injection: 400 mg powder for solution

Indications:

• Treatment of epilepsy (all seizure types including absence, tonic-clonic, myoclonic)

• Prophylaxis of migraine

• Bipolar disorder maintenance therapy

Dosage & Administration:

• Adults (Epilepsy): Start with 600 mg/day in 2 doses (max 2500 mg/day)

• Children: 20-30 mg/kg/day in 2 divided doses

• Migraine prophylaxis: 500 mg–1.5 g/day

• Take with food to reduce GI irritation

• CR tablets: Swallow whole (do not crush)

Side Effects:

• Common:

  • Nausea, vomiting

  • Weight gain

  • Tremor

  • Hair loss (usually temporary)

• Serious (require immediate medical attention):

  • Liver toxicity (dark urine, jaundice)

  • Pancreatitis (severe abdominal pain)

  • Thrombocytopenia (unusual bruising/bleeding)

Precautions:

• Contraindicated in:

  • Active liver disease

  • Porphyria

  • Known mitochondrial disorders

• High-risk groups:

  • Children <3 years (higher hepatotoxicity risk)

  • Pregnancy (high teratogenicity risk – absolute avoidance recommended)

  • Elderly (monitor for drowsiness/ataxia)

• Essential monitoring:

  • LFTs (baseline and regularly)

  • CBC (for blood disorders)

  • Serum ammonia levels (if encephalopathy suspected)

Storage:

• Store below 30°C

• Syrup: Use within 3 months of opening

• Protect from moisture

Important Note:

• Pregnancy Warning: High risk of neural tube defects (up to 10%) – contraindicated. Women of childbearing age must use effective contraception.

• Therapeutic Drug Monitoring: Maintain serum levels 50-100 mg/L for epilepsy

Drug Interactions:

• Dangerous interactions:

  • Carbapenem antibiotics (reduces valproate levels)

  • Lamotrigine (increases severe skin reaction risk)

• Caution with:

  • Warfarin (alters INR)

  • Phenobarbital (changes metabolism)

This information is not exhaustive. Always consult the full prescribing information and a healthcare professional for personalized medical advice.