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Prescription requiredPfizer LtdAnthelmintic (Anti-Filarial)

Hetrazan 100 Tablet

Diethylcarbamazine (100mg)

Hetrazan 100 Tablet is used for treats parasitic infections, effective antiparasitic medication, requires prescription.

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

₹53₹1.77 per tablet
Licensed pharmacyPharmacist-verified orderDelivered across India

Key details

Salt: Diethylcarbamazine (100mg)
Available variants: tablet 30 Tablet, tablet 30 Tablet 30 Tablet
Best price: ₹53 (₹1.77 per tablet)
Prescription: Required
Manufacturer: Pfizer Ltd

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 Hetrazan 100 Tablet

Hetrazan 100 Tablet contains Diethylcarbamazine (100mg). It belongs to the Anthelmintic / antiprotozoal class of medicines.

Uses of Hetrazan 100 Tablet

  • treats parasitic infections
  • effective antiparasitic medication
  • requires prescription

Key benefits

  • In Treatment of Worm infections Hetrazan 100 Tablet is an antibiotic medicine which helps treat many parasitic worm infections. It works by killing and stopping the further growth of parasites causing the infection. This medicine usually makes you feel better quite quickly. However
  • you should continue taking it as long as it is prescribed even when you feel better
  • to make sure that all parasites are killed and do not become resistant. This medicine is generally safe to use while pregnant or breastfeeding
  • but you should ask your doctor.

How Hetrazan 100 Tablet works

Hetrazan 100 Tablet belongs to a class of medications called anthelmintics. It kills the parasitic worms that cause parasitic worm infections as well as Filariasis. This helps to treat your infection.

How to take Hetrazan 100 Tablet

Take as directed by your healthcare provider, do not exceed recommended dosage, do not crush or chew the tablet

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 Hetrazan 100 Tablet, 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 vomiting, abdominal cramps and nerve symptoms. Do not wait for symptoms to appear — go to the nearest emergency department and take the pack or strip with you.

Side effects of Hetrazan 100 Tablet

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

  • Nausea
  • Stomach pain
  • Loose motions
  • Headache
  • Dizziness

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 Hetrazan 100 Tablet

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

Warnings and precautions

Treat the whole household at the same time for worm infestations, or reinfection is likely. Wash hands thoroughly after using the toilet and before eating, keep nails short, and wash bedding and underclothes in hot water. Do not drink alcohol with metronidazole, ornidazole, tinidazole or secnidazole. A repeat dose after a couple of weeks is often advised for worms — follow your doctor's instruction.

Do not take Hetrazan if

Not for anyone with a known allergy to this medicine or to any ingredient in the pack. Several medicines in this group are avoided in early pregnancy.

Interactions with other medicines

Tell your doctor if you take anti-epileptic medicines or a blood thinner.

How to store Hetrazan 100 Tablet

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

Expert advice for Hetrazan 100 Tablet

You have been prescribed Hetrazan 100 Tablet to treat a variety of parasitic worm infections. It should be taken with food. Your doctor may monitor your blood counts and liver function before you start taking this medicine and regularly throughout your treatment. Avoid being near people who are sick or have infections. Inform your doctor if you develop signs of infection. Do not skip doses and finish the prescribed course, even if you start to feel better. Stopping it early may increase your risk of further infection. You have been prescribed Hetrazan 100 Tablet to treat a variety of parasitic worm infections. It should be taken with food. Do not crush, chew, or break the tablet. Swallow it whole with a full glass of water. It can be harmful to an unborn baby. Do not take it during pregnancy. Use birth control measures to prevent pregnancy while taking Hetrazan 100 Tablet. Your doctor may monitor your blood counts and liver function before you start taking this medicine and regularly throughout your treatment. Avoid being near people who are sick or have infections. Inform your doctor if you develop signs of infection. Do not skip doses and finish the prescribed course, even if you start to feel better. Stopping it early may increase your risk of further infection.

Manufacturer and class

Manufacturer:
Pfizer Ltd
Therapeutic class:
Anthelmintic (Anti-Filarial)
Drug class:
Anthelmintic / antiprotozoal
Chemical class:
Piperazine carboxamides

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Hetrazan 100 Tablet FAQs

What is Hetrazan 100 Tablet used for?
Hetrazan 100 Tablet is commonly used for treats parasitic infections, effective antiparasitic medication, requires prescription. 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 Hetrazan 100 Tablet?
Hetrazan 100 Tablet contains Diethylcarbamazine (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 Hetrazan 100 Tablet?
Take as directed by your healthcare provider, do not exceed recommended dosage, do not crush or chew the tablet Take it exactly as prescribed; do not change the dose or stop early without talking to your doctor.
How does Hetrazan 100 Tablet work?
Hetrazan 100 Tablet belongs to a class of medications called anthelmintics.
Is Hetrazan 100 Tablet a prescription medicine?
Yes. Hetrazan 100 Tablet 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 Hetrazan 100 Tablet?
The side effects reported most often with Hetrazan are Nausea, Stomach pain, Loose motions, Headache, Dizziness. 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 Hetrazan 100 Tablet be taken during pregnancy?
Pregnancy CONSULT YOUR DOCTOR Always tell your doctor if you are pregnant, planning a pregnancy or breastfeeding before starting Hetrazan.
Can I drink alcohol while taking Hetrazan 100 Tablet?
Alcohol CONSULT YOUR DOCTOR
What if I miss a dose of Hetrazan 100 Tablet?
If you miss a dose of Hetrazan 100 Tablet, take it as soon as possible.
Is Hetrazan 100 Tablet habit forming?
No. Hetrazan 100 Tablet is not known to be habit forming when taken as prescribed.
How much does Hetrazan 100 Tablet cost on PingMeDoc Pharmacy?
Hetrazan 100 Tablet starts at ₹53 on PingMeDoc Pharmacy. Available in tablet 30 Tablet, tablet 30 Tablet 30 Tablet. Final price is confirmed at checkout and may vary by variant and location.
Who manufactures Hetrazan 100 Tablet?
Hetrazan 100 Tablet is manufactured by Pfizer Ltd. PingMeDoc Pharmacy sources medicines only from licensed manufacturers and distributors.
How is Hetrazan 100 Tablet delivered?
Hetrazan 100 Tablet 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.

Hetrazan 100 Tablet, Quick facts

Salt
Diethylcarbamazine (100mg)
Form
tablet
Best price
₹53 (₹1.77 per tablet)
Prescription
Required (Rx)
Brand
Pfizer Ltd
Manufacturer
Pfizer Ltd
Therapeutic class
Anthelmintic (Anti-Filarial)
Drug class
Anthelmintic / antiprotozoal
Chemical class
Piperazine carboxamides
Action class
Antiprotozoal Agents
Habit forming
No
Variants
tablet 30 Tablet, tablet 30 Tablet 30 Tablet
Delivery
Standard across India

References

The information on Hetrazan 100 Tablet is compiled from the manufacturer's prescribing information and the sources below, and is reviewed by a registered medical practitioner. It does not replace advice from your own doctor.

  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 Hetrazan 100 Tablet.
  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.