Omez

Capsule · Dr. Reddy's
PRESCRIPTION MEDICINE

Omez is a capsule made by Dr. Reddy's that contains Omeprazole 20 mg. Omeprazole is a acid reducer (proton pump inhibitor): reduces stomach acid to treat acidity, reflux and ulcers.

Ingredient (salt)Amount
Omeprazole20 mg

What it is used for

Reduces stomach acid to treat acidity, reflux and ulcers.

How it works

The first proton pump inhibitor (PPI). It blocks the stomach's acid pumps, relieving heartburn and healing ulcers.

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

Reduces the effect of clopidogrel (pantoprazole is often preferred with it). Can raise levels of diazepam, phenytoin and warfarin, and lower absorption of iron, itraconazole and some HIV medicines.

Pregnancy and breastfeeding

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

Same composition, other brands (7)

Ocid 20Lomac 20Omecip 20Ozole 20OmeeOmesec-20Nogacid 20

Ask your doctor or pharmacist before switching brands.

Common questions

What is Omez?

Omez is a capsule by Dr. Reddy's containing Omeprazole 20 mg.

What is Omez used for?

Reduces stomach acid to treat acidity, reflux and ulcers.

How should I take Omez?

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 Omez?

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 Omez 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 Omez in pregnancy or while breastfeeding?

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

What are the substitutes for Omez?

Brands with the same composition: Ocid 20, Lomac 20, Omecip 20, Ozole 20, Omee, Omesec-20, Nogacid 20. 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.