💊 Levetiracetam Tablet 500 mg
📌 1. Prescription / Indication:
Levetiracetam 500 mg is a prescription antiepileptic medication used for:
- Partial-onset seizures in adults and children (≥4 years)
- Myoclonic seizures in patients ≥12 years with juvenile myoclonic epilepsy
- Generalized tonic-clonic seizures in patients ≥6 years
Used as monotherapy or adjunct therapy in epilepsy management.
📄 2. Description:
- Dosage form: Film-coated tablet
- Strength: 500 mg
- Route: Oral
- Appearance: White to off-white, oblong tablet (varies by manufacturer)
- Onset: Rapid oral absorption (peak plasma level in ~1 hour)
- Half-life: 6–8 hours
🔬 3. Nature / Class:
- Drug class: Antiepileptic / Anticonvulsant
- Mechanism of action:
Binds to SV2A (synaptic vesicle protein 2A) in the brain, regulating neurotransmitter release and stabilizing electrical activity.
🌟 4. Advantages:
- Broad-spectrum anticonvulsant
- Fewer drug interactions (not metabolized by liver enzymes)
- Safe adjunct to many other AEDs
- Generally well-tolerated
- Dose titration possible for better seizure control
- Minimal sedation compared to some older antiepileptics
📦 5. Common Packaging:
| Packaging | Details |
|---|---|
| Strip | 10 tablets per strip |
| Box | 5–10 strips per box |
| Blister pack | Common in hospitals and retail |
🧊 6. Storage:
- Store at 15°C to 30°C (59–86°F)
- Keep in original packaging
- Protect from light and moisture
- Keep away from children and pets
👩⚕️ 7. Patient Advice:
- Take with or without food, at the same time each day
- Do not abruptly stop—may trigger seizures
- Inform your doctor if you experience:
- Irritability or mood changes
- Excessive drowsiness or dizziness
- Rash or hypersensitivity
- Avoid alcohol and CNS depressants
- If a dose is missed, take as soon as remembered—but skip if close to next dose
🎯 8. Purpose / Uses:
| Condition | Role of Levetiracetam |
|---|---|
| Partial seizures | Monotherapy or adjunct |
| Juvenile myoclonic epilepsy | Adjunctive treatment |
| Primary generalized seizures | Adjunct in generalized tonic-clonic seizures |
⚠️ 9. Precautions / Warnings:
- Renal impairment: Dose adjustment required
- Psychiatric history: Monitor for depression, aggression, or suicidal thoughts
- Use with caution during pregnancy or breastfeeding
- Pediatric and elderly patients may require tailored dosing