Prescription requiredAntiepileptic

Zefretol 400 — Uses, Dosage & Benefits

Zefretol 400 is used for Treatment of epilepsy/seizure disorders (partial seizures, generalized tonic-clonic seizures); trigeminal neuralgia and other neuropathic pain conditions; bipolar disorder/acute mania (as prescribed)..

Medically reviewed by Dr. Balaji Krishnan, MBBS · Updated June 2026

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Active Ingredient / Composition

Carbamazepine 400 mg (tablet)

What is Zefretol 400 used for?

Treatment of epilepsy/seizure disorders (partial seizures
generalized tonic-clonic seizures); trigeminal neuralgia and other neuropathic pain conditions; bipolar disorder/acute mania (as prescribed).

How Zefretol 400 Works

Carbamazepine stabilizes hyperexcited nerve membranes by blocking voltage-gated sodium channels in the brain. This reduces abnormal electrical activity to prevent seizures and decreases nerve pain signals.

Dosage & Directions

Take by mouth exactly as prescribed. Swallow tablet with water; preferably take with food to reduce stomach upset. Take at the same time each day; do not stop suddenly. If a dose is missed, take it when remembered unless it is near the next dose.

Always follow your doctor's prescription. Do not self-medicate.

Key Benefits

Controls and prevents epileptic seizures
Relieves trigeminal neuralgia/nerve pain
Helps stabilize mood in bipolar disorder (as prescribed)
Reduces abnormal electrical activity in the brain

Pregnancy

Use with caution / Consult doctor (may cause fetal harm; do not stop without medical advice; folate supplementation and specialist monitoring may be needed)

Alcohol Interaction

Avoid (increases drowsiness/dizziness and may affect seizure control)

Zefretol 400 — Quick Facts

Composition: Carbamazepine 400 mg (tablet)
Therapeutic class: Antiepileptic
Drug class: Dibenzazepine anticonvulsant (sodium channel blocker)
Prescription: Required (Rx)
Price: ₹252
Habit forming: No
Storage: Store below 25°C in a dry place, protected from light and moisture. Keep out of reach of children.

Zefretol 400 — Usage FAQs

How should I take this medicine?

Follow the dosage prescribed by your doctor. Do not alter the dose without medical advice.

Can I take this medicine without a prescription?

Prescription-required medicines need a valid Rx. OTC medicines can be purchased directly.

What if I miss a dose?

Take the missed dose as soon as you remember, unless it is close to your next scheduled dose. Do not double the dose.

How long does it take to show effect?

The time to show effect varies by medicine and condition. Consult your doctor for specific timelines.

Zefretol 400 — Uses, Dosage & Benefits

Active Ingredient / Composition

What is Zefretol 400 used for?

How Zefretol 400 Works

Dosage & Directions

Key Benefits

Pregnancy

Alcohol Interaction

Zefretol 400 — Quick Facts

Zefretol 400 — Usage FAQs

More from PingMeDoc™

Safety disclaimer

Zefretol 400 — Uses, Dosage & Benefits

Active Ingredient / Composition

What is Zefretol 400 used for?

How Zefretol 400 Works

Dosage & Directions

Key Benefits

Pregnancy

Alcohol Interaction

Zefretol 400 — Quick Facts

Zefretol 400 — Usage FAQs

More from PingMeDoc™

Safety disclaimer