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Omez Capsules (10, 20, 40 mg): Dosage, Uses, Side Effects

Updated on June 29, 2015
Omeprazole | Source

This following article is not intended to be of a diagnostic nature: it is only for educational or informative purposes. Consult your doctor before taking this medication or making any changes to drug dosage.

Omeprazole, the active ingredient in Omez, is a gastric proton pump inhibitor. Proton pump inhibitors are drugs that inhibit the activity of the proton pumps that transport hydrogen ions across cell membranes. They inhibit gastric acid secretion.

Omez is available as 10mg, 20mg, 40 mg and 60mg capsules. It works by reducing the amount of acid produced in the stomach. It helps relieve acid reflux, gastroesophageal reflux disease (GERD), duodenal ulcers caused by Helicobacter pylori, heartburn, ulcers and gastritis. Helicobacter pylori are bacteria responsible for the production of acid in the body.

Possible Causes of Stomach Acidity

  • Irregular meals or not having your meals on time may cause your stomach to produce excess acid. Try not to wait a long time before eating meals. Eating your meals frequently and on time can help reduce acid production in the stomach.
  • Infections caused by Helicobacter pylori increase acid production in the stomach.
  • Consumption of hot, oily or spicy food may induce excess acid production.
  • Stress and tension can induce excess acid production in some individuals.
  • Stomach ulcer or cancer could be a reason for acidity.
  • Irregular sleeping patterns can cause acidity.

Medical Uses for Omez

Omez is used to treatL

  • Acid reflux (the backward flow of gastric acid up out of the stomach, causing erosion of the esophagus)
  • Duodenal ulcer (ulcers at the beginning of the small intestine)
  • Heartburn (indigestion caused by backward flow of acid into the esophagus)
  • Gastroesophageal reflux disease (GERD)
  • Gastric ulcers
  • Zollinger-Ellison Syndrome
  • Erosion of the esophagus (corrosion of the food pipe caused by excess acid production in the stomach)


Patients are advised to take Omez on an empty stomach along with a glass of water, preferably in the morning.

Omez 20mg. Prescribed for acid reflux, duodenal ulcer, and erosion of the esophagus. Treatment with Omez may last 2 to 8 weeks depending on the severity of the disease. Recommended dosage: once daily.

Omez 40mg. Prescribed for gastric ulcers, heartburn. Treatment with Omez may last from a few days to several months, depending on the severity of the disease. Recommended dosage: once daily

Omez 60mg. Prescribed for Zollinger Ellison Syndrome.

Don't Take Omez if:

  • You are allergic to any of the ingredients in the medication.
  • You suffer from kidney or liver impairment.
  • You are breastfeeding, pregnant or trying to get pregnant.

It is advised to reduce consumption of alcohol during treatment with omeprazole. Drinking alcohol can aggravate acid production in the stomach and may increase the intensity of the side effects.

This medication is not recommended for children.

Possible Side Effects

Side effects of Omez include:

  • Diarrhoea
  • Headache
  • Abdominal pain
  • Nausea
  • Skin rash
  • Dizziness
  • Constipation
  • Flatulence
  • Back pain
  • Insomnia

The most common side effects are headaches, insomnia, diarrhoea, nausea and abdominal pain.

Allergic Reactions

Seek immediate medical attention if you experience symptoms of allergy to Omez:

  • Excessive sweating
  • Itching
  • Swelling of face, lips or tongue
  • Breathing difficulty
  • Wheezing
  • Vomiting
  • Tiredness
  • Collapse
  • Redness in the eye
  • Unexplained bruising
  • Fever

Drug Interactions

Omez (or omeprazole) may react with:

  • Anticoagulants like cyclosporine and warfarin
  • Birth control pills
  • Antacid medication
  • Voriconazole

During Pregnancy

During pregnancy, omeprazole should be taken only when clearly needed. Proton pump inhibitors are not considered safe for pregnant women. Omez should not be taken without prescription during pregnancy.

There is a possibility of this medication being transferred to breast milk, so it is not recommended for nursing mothers.

Remedies For Acidity


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      Sudarsan Chatterjee 3 years ago

      I am well known of the drug Omeprazole - D 20mg.The text narrated in this site , in my opinion, is an exclusive one. Everybody would be much benefited if they follow the advices.