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OTC · No prescriptionEverest PharmaAntiulcer/Antacid (Acid suppressant)

Zetacid 40 mg Tablet

Famotidine 40 mg

₹66MRP ₹69In stock

Delivery across India. Free above ₹999; ₹49 from ₹499, ₹99 below. Chennai express delivery is chargeable.

Zetacid 40 mg Tablet is used for treatment and prevention of acid-related disorders such as gastroesophageal reflux disease (GERD), heartburn, gastritis, duodenal/gastric ulcers, and hyperacidity.

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

Licensed pharmacyPharmacist-verified orderDelivered across India

Key details

Salt: Famotidine 40 mg
Available variants: tablet 40 mg 10`S
Best price: ₹66 (₹6.59 per tablet)
MRP: ₹69
Prescription: Not required
Manufacturer: EVEREST PHARMA

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 Zetacid 40 mg Tablet

Zetacid 40 mg Tablet contains Famotidine 40 mg. It belongs to the H2 receptor antagonist class of medicines.

Uses of Zetacid 40 mg Tablet

  • Treatment and prevention of acid-related disorders such as gastroesophageal reflux disease (GERD)
  • heartburn
  • gastritis
  • duodenal/gastric ulcers
  • and hyperacidity.

Key benefits

  • Relieves heartburn and acidity
  • Reduces gastric acid secretion
  • Helps heal gastric/duodenal ulcers
  • Controls GERD symptoms
  • Prevents ulcer recurrence in selected patients

How Zetacid 40 mg Tablet works

Famotidine is an H2-receptor antagonist that reduces gastric acid secretion by blocking histamine H2 receptors on gastric parietal cells. This lowers acid output and helps relieve acidity symptoms and promotes ulcer healing.

How to take Zetacid 40 mg Tablet

Tablet for oral use. Take as advised by your doctor, usually once daily (often at bedtime) or as prescribed; may be taken with or without food. Swallow whole with water; do not crush or chew unless advised.

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

Take it as soon as you remember. If your next dose is almost due, skip the one you missed — never take two doses together to catch up.

If you take too much

An overdose of this medicine can cause severe loose motions or constipation and disturb the body's salt balance. Do not wait for symptoms to appear — go to the nearest emergency department and take the pack or strip with you.

Side effects of Zetacid 40 mg Tablet

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

  • Headache
  • dizziness
  • constipation
  • diarrhea
  • nausea
  • abdominal discomfort
  • fatigue

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 Zetacid 40 mg Tablet

PregnancyConsult doctor
BreastfeedingConsult your doctor before using this while breastfeeding.
AlcoholUse with caution
DrivingNot expected to affect your ability to drive.
KidneyConsult your doctor if you have kidney disease.
LiverUse with caution if you have liver disease — your doctor may adjust the dose or monitor your liver function.
Habit formingNo

Warnings and precautions

Use with caution in kidney impairment (dose adjustment may be needed). Seek medical advice if symptoms persist/worsen or if there is alarm symptoms (vomiting blood, black stools, unexplained weight loss, difficulty swallowing). Long-term use should be under medical supervision. Hypersensitivity to famotidine/other H2 blockers is a contraindication.

Do not take Zetacid if

Not for anyone with a known allergy to this medicine or to any ingredient in the pack. Magnesium-containing antacids are avoided in significant kidney disease.

Interactions with other medicines

May reduce absorption of drugs needing acidic pH (e.g., ketoconazole, itraconazole, atazanavir). Use caution with other acid-suppressing agents (PPIs/antacids) and separate administration if advised. Clinically significant CYP interactions are minimal with famotidine.

How to store Zetacid 40 mg Tablet

Store below 25°C in a cool, dry place away from moisture and direct light. Keep out of reach of children.

Expert advice for Zetacid 40 mg Tablet

Take it after meals and at bedtime when symptoms are worst. Avoid late heavy meals, and raise the head of your bed if symptoms wake you at night.

Manufacturer and class

Manufacturer:
EVEREST PHARMA
Therapeutic class:
Antiulcer/Antacid (Acid suppressant)
Drug class:
H2 receptor antagonist

Substitutes for Zetacid 40 mg Tablet

Medicines with the same active ingredient (Famotidine 40 mg). Ask your doctor or pharmacist before switching brands.

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Famonext 40 mg Tablet1X14₹1085% cheaper
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Zetacid 40 mg Tablet FAQs

What is Zetacid 40 mg Tablet used for?
Zetacid 40 mg Tablet is commonly used for Treatment and prevention of acid-related disorders such as gastroesophageal reflux disease (GERD), heartburn, gastritis, duodenal/gastric ulcers, and hyperacidity. 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 Zetacid 40 mg Tablet?
Zetacid 40 mg Tablet contains Famotidine 40 mg. 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 Zetacid 40 mg Tablet?
Tablet for oral use. Take it exactly as prescribed; do not change the dose or stop early without talking to your doctor.
How does Zetacid 40 mg Tablet work?
Famotidine is an H2-receptor antagonist that reduces gastric acid secretion by blocking histamine H2 receptors on gastric parietal cells.
Is Zetacid 40 mg Tablet a prescription medicine?
No. Zetacid 40 mg Tablet is available over the counter (OTC), no prescription is required. However, it is always safer to consult a doctor or pharmacist before use.
What are the common side effects of Zetacid 40 mg Tablet?
The side effects reported most often with Zetacid are Headache, dizziness, constipation, diarrhea, nausea. 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 Zetacid 40 mg Tablet be taken during pregnancy?
Consult doctor Always tell your doctor if you are pregnant, planning a pregnancy or breastfeeding before starting Zetacid.
Can I drink alcohol while taking Zetacid 40 mg Tablet?
Use with caution
What if I miss a dose of Zetacid 40 mg Tablet?
Take it as soon as you remember.
Is Zetacid 40 mg Tablet habit forming?
No. Zetacid 40 mg Tablet is not known to be habit forming when taken as prescribed.
Is there a cheaper substitute for Zetacid 40 mg Tablet?
Famonext 40 mg 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 Zetacid 40 mg Tablet cost on PingMeDoc Pharmacy?
Zetacid 40 mg Tablet starts at ₹66 (MRP ₹69) on PingMeDoc Pharmacy. Available in tablet 40 mg 10`S. Final price is confirmed at checkout and may vary by variant and location.
Who manufactures Zetacid 40 mg Tablet?
Zetacid 40 mg Tablet is manufactured by EVEREST PHARMA. PingMeDoc Pharmacy sources medicines only from licensed manufacturers and distributors.
How is Zetacid 40 mg Tablet delivered?
Zetacid 40 mg 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.

Zetacid 40 mg Tablet, Quick facts

Salt
Famotidine 40 mg
Form
tablet
Best price
₹66 (₹6.59 per tablet)
MRP
₹69
Prescription
Not required (OTC)
Brand
EVEREST PHARMA
Manufacturer
EVEREST PHARMA
Therapeutic class
Antiulcer/Antacid (Acid suppressant)
Drug class
H2 receptor antagonist
Habit forming
No
Variants
tablet 40 mg 10`S
Delivery
Standard across India

References

The information on Zetacid 40 mg 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. Established medical literature (H2 blockers/famotidine), manufacturer labeling/pack information, standard drug references and treatment guidelines
  2. Central Drugs Standard Control Organisation (CDSCO), Ministry of Health & Family Welfare, Government of India, approved drug and schedule listings.
  3. National List of Essential Medicines (NLEM) 2022, Government of India.
  4. Manufacturer's package insert / prescribing information for Zetacid 40 mg Tablet.
  5. 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.