Pentab-40

Tablet · Alembic Pharma
PRESCRIPTION MEDICINE

Pentab-40 is a tablet made by Alembic Pharma that contains Pantoprazole 40 mg. Pantoprazole is a acid reducer (proton pump inhibitor): reduces stomach acid to treat acidity, heartburn, reflux and ulcers.

Ingredient (salt)Amount
Pantoprazole40 mg

What it is used for

Reduces stomach acid to treat acidity, heartburn, reflux and ulcers.

How it works

A proton pump inhibitor (PPI). It switches off the acid pumps in the stomach lining, cutting acid by up to 90 percent, which lets ulcers and an inflamed food pipe heal.

How to take it

Take once a day, 30 to 60 minutes before breakfast, swallowed whole (do not crush or chew). Short courses of 2 to 8 weeks are usual; long-term use should be reviewed by a doctor.

Common side effects

  • Headache
  • Diarrhoea
  • Stomach pain
  • Nausea
  • Wind
  • Constipation

Get medical help straight away if

  • Watery diarrhoea that does not stop (possible C. difficile infection)
  • Difficulty swallowing, weight loss or black stools
  • Muscle cramps or spasms (low magnesium with long use)

Be careful

Take before food. Long-term use should be reviewed by a doctor.

Other medicines and interactions

It lowers absorption of medicines that need acid (itraconazole, ketoconazole, some HIV medicines, iron). Long-term use can lower vitamin B12 and magnesium. Raises methotrexate levels at high doses.

Pregnancy and breastfeeding

Generally considered acceptable in pregnancy and breastfeeding when needed; ask your doctor.

Same composition, other brands (13)

Pan 40PantocidPantop 40Pantodac 40Pantosec 40Pantakind 40Pan IVNupenta 40Pentaloc 40Nicopenta 40Pantium 40Pansec 40Protera 40

Ask your doctor or pharmacist before switching brands.

Same ingredients, different strength or form

Pan 20Pantocid 20

Common questions

What is Pentab-40?

Pentab-40 is a tablet by Alembic Pharma containing Pantoprazole 40 mg.

What is Pentab-40 used for?

Reduces stomach acid to treat acidity, heartburn, reflux and ulcers.

How should I take Pentab-40?

Take once a day, 30 to 60 minutes before breakfast, swallowed whole (do not crush or chew). Short courses of 2 to 8 weeks are usual; long-term use should be reviewed by a doctor. Always follow the dose your doctor or the pack gives.

What are the side effects of Pentab-40?

Common side effects include: Headache, diarrhoea, stomach pain, nausea, wind, constipation. Get medical help straight away for: Watery diarrhoea that does not stop (possible C. difficile infection), difficulty swallowing, weight loss or black stools, muscle cramps or spasms (low magnesium with long use).

Does Pentab-40 need a prescription?

Yes. In India it is a prescription (Schedule H) medicine, so a pharmacist should sell it only with a doctor's prescription.

Can I take Pentab-40 in pregnancy or while breastfeeding?

Generally considered acceptable in pregnancy and breastfeeding when needed; ask your doctor.

What are the substitutes for Pentab-40?

Brands with the same composition: Pan 40, Pantocid, Pantop 40, Pantodac 40, Pantosec 40, Pantakind 40, Pan IV, Nupenta 40, Pentaloc 40, Nicopenta 40, Pantium 40, Pansec 40. Ask your doctor or pharmacist before switching.

Sources and further reading

NHS (UK National Health Service) and MedlinePlus (US National Library of Medicine) are free, reviewed medicine guides. Brand names and doses there may differ from India.

Composition checked against pack details from large Indian online pharmacies. Last reviewed 31 October 2026. Written by Satya Babu.

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For information only, not medical advice. This page is a plain-language summary written from standard prescribing information and the public guides linked below. Brands sometimes change their formula, so always check the composition printed on the pack. Doses here are typical adult doses; yours may differ. Do not start, stop or change a medicine without your doctor or pharmacist, and keep all medicines away from children. In an emergency, call 112 (India) or your local emergency number.