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Prescription requiredIntas Pharmaceuticals LtdNEURO CNS

Zen 100

Carbamazepine (100mg)

₹11MRP ₹115% offIn stock
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Delivered across India in about 3–5 days, Chennai next day. ₹49 delivery, free above ₹999.

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Zen 100 is used for trigeminal neuralgia Epilepsy/Seizures.

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

Licensed pharmacyPharmacist-verified orderDelivered across India

Key details

Salt: Carbamazepine (100mg)
Available variants: NA 10`S
Best price: ₹11
MRP: ₹11
Prescription: Required
Manufacturer: INTAS PHARMACEUTICALS`

Ordering notes

Standard delivery across India. No same-day delivery nationally.
Chennai express delivery is possible and chargeable. Learn more
Returns & refunds: orders can be cancelled before dispatch; after dispatch, returns depend on the item category. Read the full policy

Composition of Zen 100

Zen 100 contains Carbamazepine (100mg). It belongs to the Anticonvulsant class of medicines.

Uses of Zen 100

Trigeminal neuralgia Epilepsy/Seizures

Key benefits

  • In Trigeminal neuralgia Trigeminal neuralgia is a condition that causes sudden
  • severe facial pain due to irritation of the trigeminal nerve. ZEN 100 Tablet DT helps reduce the frequency and intensity of pain episodes
  • making everyday activities like speaking
  • chewing
  • and brushing teeth more manageable. With regular use
  • it can provide sustained pain relief and improve comfort and quality of life. In Epilepsy/Seizures ZEN 100 Tablet DT works by decreasing the nerve impulses which cause the seizures. By controlling the frequency of seizures
  • it will help you go about your daily activities with more confidence. It helps reduce symptoms such as confusion
  • uncontrollable jerking movements
  • loss of awareness
  • and fear or anxiety. This medicine is not associated with any physical or psychological dependence (addiction) but it should not be stopped suddenly. It must be taken regularly as prescribed to be effective. Missing doses may trigger a seizure. Show More

How Zen 100 works

ZEN 100 Tablet DT is an antiepileptic medication. It controls seizures or fits by decreasing the abnormal and excessive activity of the nerve cells in the brain.

How to take Zen 100

Take this medicine in the dose and duration as advised by your doctor. Dissolve it in a glass of water before taking it. ZEN 100 Tablet DT may be taken with or without food.

Take it exactly as your doctor prescribed. Do not change the dose or stop early on your own.

Missed dose and overdose

If you miss a dose

If you miss a dose of ZEN 100 Tablet DT, take it as soon as possible. However, if it is almost time for your next dose, skip the missed dose and go back to your regular schedule. Do not double the dose.

If you take too much

An overdose of this medicine can cause deep unconsciousness, slowed breathing and dangerous heart rhythm disturbance. Do not wait for symptoms to appear — go to the nearest emergency department and take the pack or strip with you.

Side effects of Zen 100

Most side effects of Zen are mild and settle as the body adjusts. Reported side effects include:

  • Most side effects do not require any medical attention and disappear as your body adjusts to the medicine. Consult your doctor if they persist or if you’re worried about them

Stop the medicine and seek help immediately for a rash, swelling of the face or lips, wheezing or difficulty breathing. Tell your doctor about any side effect that persists or worries you.

Safety advice for Zen 100

PregnancyPregnancy CONSULT YOUR DOCTOR
BreastfeedingBreast feeding CAUTION
AlcoholAlcohol CONSULT YOUR DOCTOR
DrivingDriving UNSAFE
KidneyKidney CONSULT YOUR DOCTOR
LiverLiver CAUTION
Habit formingNo

Warnings and precautions

Never stop or change an anti-epileptic on your own. Stopping abruptly can cause prolonged, dangerous seizures. Sodium valproate and divalproex must not be used by anyone who is pregnant or could become pregnant unless a specialist has confirmed there is no alternative — they cause serious birth defects and developmental problems. Effective contraception is essential. Seek urgent care for any rash, especially in the first weeks — a rash with fever, blistering or peeling can be life-threatening. Report yellowing of the eyes or skin, persistent vomiting, unusual bruising or severe tiredness at once. Tell your doctor about any change in mood or any thoughts of harming yourself. Take the same brand each time unless your neurologist has agreed to a change; switching can alter seizure control.

Do not take Zen if

Not for anyone with a known allergy to this medicine or to any ingredient in the pack. Valproate-containing medicines are contraindicated in pregnancy for epilepsy unless no alternative exists, and in all women of childbearing potential without a pregnancy prevention programme. Several are not suitable in significant liver disease.

Interactions with other medicines

This group interacts very widely, including with contraceptives, blood thinners and other anti-epileptics. Give your doctor a full list of what you take. Hormonal contraception may become unreliable — ask your doctor which method to use.

How to store Zen 100

Store below 30°C in the original pack, away from direct sunlight and moisture. Keep out of the reach of children.

Expert advice for Zen 100

Take your medication regularly as directed by your doctor as missing doses can trigger seizures. Do not change the brand of your medicine and make sure that you have sufficient amount of medicine present with you. Some healthy tips to prevent seizures: Practice yoga every day. Get enough sleep at nighttime. Limit the use of screen time such as mobile/laptop. Take your medication on time. It may cause dizziness and sleepiness. Do not drive or do anything that requires mental focus until you know how it affects you. Your doctor may get regular tests done to monitor the level of blood cells in your blood while taking this medication. Talk to your doctor if you notice sudden mood changes or develop suicidal thoughts. Inform your doctor if you notice a rash or other skin changes such as reddish spot or circular patches while taking this medicine. Do not stop taking the medication suddenly without talking to your doctor as it may increase the seizure frequency.

Manufacturer and class

Manufacturer:
INTAS PHARMACEUTICALS`
Therapeutic class:
NEURO CNS
Drug class:
Anticonvulsant
Chemical class:
Dibenzazepines

Substitutes for Zen 100

Medicines with the same active ingredient (Carbamazepine (100mg)). Ask your doctor or pharmacist before switching brands.

MedicinePackPricevs Zen 100
Zeptol 100 TabletSUN PHARMAtablet · 10 Tablet₹106% cheaper
Tegrital 100 Chewable TabletNovartis India Ltdtablet · 10 Tablet₹111% cheaper
Mazetol 100 TabletAbbott Healthcare Pvt Ltdtablet · 10 Tablet₹111% cheaper
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Zen 100 FAQs

What is Zen 100 used for?
Zen 100 is commonly used for Trigeminal neuralgia Epilepsy/Seizures. Always follow your doctor's advice, this information is for educational purposes and not a substitute for professional medical guidance.
What is the salt in Zen 100?
Zen 100 contains Carbamazepine (100mg). If you are allergic to any of these active ingredients or excipients, do not take this medicine and speak to your doctor first.
How should I take Zen 100?
Take this medicine in the dose and duration as advised by your doctor. Take it exactly as prescribed; do not change the dose or stop early without talking to your doctor.
How does Zen 100 work?
ZEN 100 Tablet DT is an antiepileptic medication.
Is Zen 100 a prescription medicine?
Yes. Zen 100 is a prescription-only (Rx) medicine. Upload a valid prescription from a registered medical practitioner during checkout. We cannot dispense it without a valid Rx.
What are the common side effects of Zen 100?
The side effects reported most often with Zen are Most side effects do not require any medical attention and disappear as your body adjusts to the medicine. Consult your doctor if they persist or if you’re worried about them. Most are mild and settle as the body adjusts; tell your doctor if any of them persist or worry you, and stop the medicine and seek help at once for a rash, swelling of the face or lips, or difficulty breathing.
Can Zen 100 be taken during pregnancy?
Pregnancy CONSULT YOUR DOCTOR Always tell your doctor if you are pregnant, planning a pregnancy or breastfeeding before starting Zen.
Can I drink alcohol while taking Zen 100?
Alcohol CONSULT YOUR DOCTOR
What if I miss a dose of Zen 100?
If you miss a dose of ZEN 100 Tablet DT, take it as soon as possible.
Is Zen 100 habit forming?
No. Zen 100 is not known to be habit forming when taken as prescribed.
Is there a cheaper substitute for Zen 100?
Zeptol 100 Tablet has the same active ingredient and strength and is listed from ₹10 on PingMeDoc Pharmacy. Ask your doctor or pharmacist before switching brands, the salt is the same, but excipients and release profiles can differ.
How much does Zen 100 cost on PingMeDoc Pharmacy?
Zen 100 starts at ₹11 (MRP ₹11) on PingMeDoc Pharmacy. Available in NA 10`S. Final price is confirmed at checkout and may vary by variant and location.
Who manufactures Zen 100?
Zen 100 is manufactured by INTAS PHARMACEUTICALS`. PingMeDoc Pharmacy sources medicines only from licensed manufacturers and distributors.
How is Zen 100 delivered?
Zen 100 is delivered across India via our licensed pharmacy partners. Standard delivery timelines are confirmed at checkout. Chennai customers can opt for chargeable same-city express delivery.

Zen 100, Quick facts

Salt
Carbamazepine (100mg)
Best price
₹11
MRP
₹11
Prescription
Required (Rx)
Schedule
Schedule H
Brand
Intas Pharmaceuticals Ltd
Manufacturer
INTAS PHARMACEUTICALS`
Therapeutic class
NEURO CNS
Drug class
Anticonvulsant
Chemical class
Dibenzazepines
Action class
Sodium Channel Modulators- Antiepileptic drugs (AEDs)
Habit forming
No
Variants
NA 10`S
Delivery
Standard across India

References

Compiled from the manufacturer's prescribing information and the sources below, and reviewed by a registered medical practitioner. It does not replace your own doctor's advice.

  1. PingMeDoc clinical monograph library — compiled from Indian package inserts, the Indian Pharmacopoeia
  2. CDSCO schedules and standard pharmacology references. Reviewed for patient readability. This is general information, not a substitute for your doctor's advice.
  3. Central Drugs Standard Control Organisation (CDSCO), Ministry of Health & Family Welfare, Government of India, approved drug and schedule listings.
  4. National List of Essential Medicines (NLEM) 2022, Government of India.
  5. Manufacturer's package insert / prescribing information for Zen 100.
  6. World Health Organization, ATC/DDD classification and Model Formulary for the active ingredient.

Next steps

Safety disclaimer

Product information is for general awareness and does not replace professional medical advice. Always follow a clinician's guidance and upload a valid prescription when required.