Here is a detailed, brand-free overview of Carbamazepine Tablet 100 mg:
💊 Carbamazepine Tablet 100 mg
✅ DESCRIPTION
Carbamazepine is an anticonvulsant and mood-stabilizing medication used to manage epilepsy, neuropathic pain, and bipolar disorder. It stabilizes hyperexcited nerve membranes, inhibits repetitive neuronal firing, and reduces synaptic transmission.
🧪 FORMULATION
- Active Ingredient: Carbamazepine 100 mg
- Form: Oral tablet (immediate-release or chewable, depending on type)
- Route: Oral
- Other components: May include starch, cellulose, magnesium stearate, lactose (varies)
🌿 NATURE
- Class: Dibenzazepine derivative anticonvulsant
- Mechanism of Action:
Blocks voltage-gated sodium channels → stabilizes overactive neurons → reduces seizure and nerve pain activity
💡 USES
- Neurology:
- Focal (partial) seizures with or without generalization
- Generalized tonic-clonic seizures
- Trigeminal neuralgia and other neuropathic pain
- Psychiatry:
- Bipolar disorder (especially manic episodes and maintenance)
- Other:
- Occasionally used in restless leg syndrome, alcohol withdrawal, and diabetes-related nerve pain (off-label)
🌟 ADVANTAGES
- Broad-spectrum anticonvulsant
- Effective in nerve pain control
- Available in multiple strengths and forms
- Useful in psychiatric and neurological conditions
- Relatively long half-life allows twice-daily dosing
⚠️ PRECAUTIONS
Common Side Effects:
- Dizziness, drowsiness
- Nausea, vomiting
- Dry mouth
- Unsteadiness, blurred vision
- Skin rash
Serious Side Effects:
- Stevens-Johnson Syndrome (SJS)/Toxic epidermal necrolysis (TEN) – especially in patients with HLA-B*1502 (common in Asian descent)
- Blood dyscrasias – leukopenia, aplastic anemia
- Liver enzyme elevation / hepatitis
- Hyponatremia (due to SIADH)
- Drug interactions – potent liver enzyme inducer (CYP450)
Contraindications:
- History of bone marrow suppression
- Allergy to tricyclic compounds
- Use with MAO inhibitors (within 14 days)
- Pregnancy – risk of congenital malformations (use with caution under specialist supervision)
Monitoring Required:
- Complete blood count (CBC)
- Liver function tests (LFTs)
- Serum sodium
- Serum carbamazepine levels (therapeutic range: 4–12 mcg/mL)
🧊 STORAGE
- Store at 15°C to 30°C
- Protect from moisture and heat
- Keep in a tightly closed container
- Keep out of reach of children