Olmax 20mg Tablet

Written By Dr. Lipika Khurana, PGDHHM, BDS

Reviewed By Dr. Rajeev Sharma, MBA, MBBS

Last updated on 14 Apr 2026 | 04:20 PM (IST)

Olmax 20mg Tablet is a medicine that helps reduce the amount of acid made by the stomach. It is used for the treatment of peptic ulcer, gastric ulcer, gastroesophageal reflux disease (GERD), and for the management of Zollinger-Ellison syndrome, a rare condition in which the stomach produces too much acid.

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General Information

Contains

Omeprazole (20mg)

Marketer

Biomax Laboratories

Storage

Store below 30°C

The content is shown in English

Product introduction

Take Olmax 20mg Tablet exactly as directed by your doctor, usually once daily before a meal. Swallow it whole; do not chew or crush it. To get the most benefit, take it regularly at the same time each day. Continue the full course even if you feel better, as stopping too soon may cause symptoms to return. Along with treatment, avoid irritants such as alcohol, tobacco, and spicy or acidic foods. Eat smaller, more frequent meals and do not lie down immediately after eating.

The most common side effects include headache, stomach pain, nausea, diarrhea, vomiting, and gas. These are generally mild and often go away as your body adjusts to the medicine. If diarrhea is severe, persistent, or watery, inform your doctor. Staying hydrated and maintaining a balanced diet can help reduce discomfort.

Before taking this medicine, tell your doctor if you have liver disease or any kidney problems. Long-term or high-dose use may increase the risk of bone fractures, low vitamin B12 or magnesium levels, or fundic gland polyps in the stomach. Therefore, the medicine should be used at the lowest effective dose for the shortest possible time. Seek immediate help if you notice signs of severe allergic reaction, such as swelling, breathing difficulty, or rash with blisters. Do not take Olmax 20mg Tablet if you are allergic to omeprazole or any ingredients in the medicine. Inform your doctor about all other medicines you take, as Olmax 20mg Tablet can affect how other medicines work.

Uses of Olmax Tablet

Treatment of Stomach ulcers
Treatment of Gastroesophageal reflux disease (Acid reflux)
Treatment of Peptic ulcer disease
Management of Zollinger-Ellison syndrome

Benefits of Olmax Tablet

Treatment of Stomach ulcers
In gastric ulcers, Olmax 20mg Tablet lowers acid levels in the stomach, protecting the stomach wall from further damage and giving it time to recover. Regular use as prescribed can help relieve symptoms such as burning pain and discomfort, and promote complete ulcer healing.

Treatment of Gastroesophageal reflux disease (Acid reflux)
Olmax 20mg Tablet provides relief from the burning sensation of acid reflux and heartburn caused by gastroesophageal reflux disease (GERD). It reduces acid production, preventing stomach acid from flowing back into the food pipe, and helps heal irritation or inflammation of the esophagus, improving comfort and digestion.

Treatment of Peptic ulcer disease
Olmax 20mg Tablet helps relieve pain and promotes healing in peptic ulcers (duodenal ulcers) by reducing excess stomach acid that irritates the ulcer lining. It blocks acid production and allows the damaged tissue in the stomach and upper intestine to heal properly. It also helps prevent the ulcer from coming back.

Management of Zollinger-Ellison syndrome
For people with Zollinger-Ellison syndrome, where the stomach produces too much acid, Olmax 20mg Tablet helps control acid secretion and prevents complications such as ulcers. It provides long-term management of acid levels, improving quality of life and preventing damage to the stomach and intestines.

Side effects of Olmax Tablet

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

Common side effects of Olmax

Abdominal pain
Flatulence
Headache
Nausea
Diarrhea
Vomiting

How to use Olmax Tablet

Take this medicine in the dose and duration as advised by your doctor. Swallow it as a whole. Do not chew, crush or break it. Olmax 20mg Tablet is to be taken on an empty stomach.

How Olmax Tablet works

Olmax 20mg Tablet works by specifically blocking an enzyme system known as the “acid pump” in the stomach lining. This enzyme is responsible for the final step in the production of gastric acid. Inhibiting this pump reduces both the volume and acidity of stomach secretions, providing lasting acid suppression and promoting healing of acid-related conditions such as ulcers and reflux disease.

All substitutes for Olmax 20mg Tablet

For information purposes only. Consult a doctor before taking any medicine.

Quick tips

Take it before a meal, preferably in the morning, 30–60 minutes before breakfast, to get the best effect.
Take it at the same time every day to help maintain consistent acid control.
Avoid trigger foods, such as spicy, fatty, or acidic foods, and limit caffeine and alcohol intake.
Avoid laying down right after eating. Wait at least 2–3 hours after meals before lying down to prevent acid reflux.
Combine the treamtent with with lifestyle changes, such as healthy weight and quitting smoking.
If you still experience heartburn or indigestion after 2 weeks, consult with your doctor.

Safety advice

Alcohol

CONSULT YOUR DOCTOR

It is not known whether it is safe to consume alcohol with Olmax 20mg Tablet. Please consult your doctor.

Pregnancy

CONSULT YOUR DOCTOR

The safety of Olmax 20mg Tablet during pregnancy has not been established. There are no adequate and well-controlled studies in pregnant women, and animal data on reproductive toxicity are insufficient. Your doctor will weigh the benefits and any potential risks before prescribing.

Breast feeding

CONSULT YOUR DOCTOR

Olmax 20mg Tablet may be unsafe to use during breastfeeding. Limited human data suggests that the drug may pass into the breastmilk and harm the baby. It should be used only if the expected benefit outweighs the potential risk. Please consult your doctor.

Driving

UNSAFE

Olmax 20mg Tablet may decrease alertness, affect your vision, or make you feel sleepy and dizzy. Do not drive if these symptoms occur.

Kidney

CONSULT YOUR DOCTOR

There is limited data available on the use of Olmax 20mg Tablet in patients with kidney disease. Please consult your doctor.

Liver

CAUTION

Olmax 20mg Tablet should be used with caution in patients with liver disease. Dose adjustment may be needed.

Interaction with drugs

Taking Olmax with any of the following medicines can modify the effect of either of them and cause some undesirable side effects

Severe

Voriconazole (Oral Route)

Your doctor may monitor your treatment and adjust the doses as per the observations. Omeprazole may raise blood levels of Voriconazole.

Severe

Erlotinib (Oral Route)

Do not consume Erlotinib with Omeprazole. Omeprazole may reduce blood levels of Erlotinib.

Severe

Methotrexate (Injection Route)

Please consult with your doctor. Doctor may monitor liver function and blood cell counts.

Severe

Atazanavir (Oral Route)

Do not consume Atazanavir with Omeprazole. If concurrent use is essential, please consult your doctor. Omeprazole may reduce blood levels of Atazanavir.

Severe

Methotrexate (Injection Route)

Please consult with your doctor. Doctor may monitor liver function and blood cell counts.

Frequently asked questions

What is Olmax 20mg Tablet used for?

Olmax 20mg Tablet is used to treat several acid-related stomach and intestinal conditions such as peptic ulcer, gastric ulcer, gastroesophageal reflux disease (GERD), and Zollinger-Ellison syndrome. It helps relieve heartburn, heals ulcers, and prevents damage caused by excess acid in the stomach and food pipe.

How long does Olmax 20mg Tablet take to work?

Some people begin to feel better within a few days, but it may take up to 4 weeks for full relief. Most ulcers and reflux symptoms heal within 4 to 8 weeks of treatment, depending on your condition.

Can I take Olmax 20mg Tablet every day?

Yes, Olmax 20mg Tablet can be taken daily as prescribed. However, prolonged or unnecessary use should be avoided. Long-term use may increase the risk of bone fractures, vitamin B12 deficiency, magnesium imbalance, or fundic gland polyps. Use the lowest effective dose for the shortest duration necessary.

Can I take Olmax 20mg Tablet with other medicines?

Some medicines can interact with Olmax 20mg Tablet. Do not take it with rilpivirine-containing medicines. Avoid combining it with St. John’s Wort or rifampin, as these can reduce its effectiveness. This medicine may also affect the way clopidogrel, warfarin, methotrexate, and digoxin work. Always inform your doctor about all other medicines or supplements you use.

Is Olmax 20mg Tablet safe during pregnancy or while breastfeeding?

Studies have not shown an increased risk of birth defects with Olmax 20mg Tablet use during pregnancy. It may be used if clearly needed under medical advice. Small amounts may pass into breast milk, but no harmful effects have been reported in infants. Always consult your doctor before use if you are pregnant or breastfeeding.

Can I stop taking Olmax 20mg Tablet once I feel better?

Do not stop taking it suddenly without consulting your doctor. Stopping early may cause your symptoms to return or worsen. Complete the full treatment course as directed.

What should I avoid while taking Olmax 20mg Tablet?

Avoid drinking alcohol, smoking, or eating spicy and fatty foods, as these can worsen acid-related symptoms. Do not take it with rilpivirine or herbal products such as St. John’s Wort, as they may interfere with treatment.

Fact Box

Chemical Class

Sulfinylbenzimidazoles

Habit Forming

Therapeutic Class

GASTRO INTESTINAL

Action Class

Proton-Pump Inhibitors

Related lab tests

Helicobacter Pylori IgA

Helicobacter Pylori IgG

Helicobacter Pylori IgM

References

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Disclaimer

Tata 1mg's sole intention is to ensure that its consumers get information that is expert-reviewed, accurate and trustworthy. However, the information contained herein should NOT be used as a substitute for the advice of a qualified physician. The information provided here is for informational purposes only. This may not cover everything about particular health conditions, lab tests, medicines, all possible side effects, drug interactions, warnings, alerts, etc. Please consult your doctor and discuss all your queries related to any disease or medicine. We intend to support, not replace, the doctor-patient relationship.

Marketer details

Name: Biomax Laboratories
Address: 18/336, dyal singh colony, karnal, haryana 132001

Vendor Details

Country of origin: India
A licensed vendor partner from your nearest location will deliver Olmax 20mg Tablet. Once the pharmacy accepts your order, the details of the pharmacy will be shared with you. Acceptance of your order is based on the validity of your doctor's ℞ and the availability of this medicine.

In case of any issues, contact us

Email ID: [email protected]
Phone Number: 0124-4166666
Address: 5th Floor Tower - B of the Presidency Building, 46/4 Mehrauli Gurgaon Road, Sector 14, Gurugram, Haryana-122001, India

Lab tests offered by us

Why we need a prescription?

Olmax 20mg Tablet

Save more with additional offers

General Information

Contains

Marketer

Storage

Product introduction

Uses of Olmax Tablet

Benefits of Olmax Tablet

Side effects of Olmax Tablet

How to use Olmax Tablet

How Olmax Tablet works

All substitutes for Olmax 20mg Tablet

OCid QRS 20 Tablet

Omzer 20mg Tablet

Omigold 20mg Tablet

Mpraz 20mg Tablet

Omypax 20mg Tablet

Quick tips

Safety advice

Alcohol

Pregnancy

Breast feeding

Driving

Kidney

Liver

Interaction with drugs

Voriconazole (Oral Route)

Erlotinib (Oral Route)

Methotrexate (Injection Route)

Atazanavir (Oral Route)

Methotrexate (Injection Route)

Frequently asked questions

What is Olmax 20mg Tablet used for?

How long does Olmax 20mg Tablet take to work?

Can I take Olmax 20mg Tablet every day?

Can I take Olmax 20mg Tablet with other medicines?

Is Olmax 20mg Tablet safe during pregnancy or while breastfeeding?

Can I stop taking Olmax 20mg Tablet once I feel better?

What should I avoid while taking Olmax 20mg Tablet?

Fact Box

Chemical Class

Habit Forming

Therapeutic Class

Action Class

Related lab tests

Helicobacter Pylori IgA

Helicobacter Pylori IgG

Helicobacter Pylori IgM

References

Want to know more

Have issue with the content

Disclaimer

Marketer details

Vendor Details

In case of any issues, contact us

Lab tests offered by us

Related/Popular tests