What is Omekaste used for?

Omekaste

Active Ingredient:: Omeprazole
Origin:: EU

Omekaste (Omeprazole)

Omeprazole, the active ingredient in Omekaste, is a Proton Pump Inhibitor presented as a tablet for oral use. It reduces stomach acid production and is used to treat acid‑related gastrointestinal conditions in adults and children. GNH India supplies Omekaste as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide.

GNH India supplies Omekaste as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide.

Manufacturer / TM Owner

Laboratorios Cinfa S.A.

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Indications & Clinical Uses

Omekaste (omeprazole) acts on the gastric acid secretion pathway and is indicated for several acid‑related disorders.

Gastro‑esophageal reflux disease (GERD): alleviates heartburn and promotes healing of erosive esophagitis.
Peptic ulcer disease: supports ulcer healing and reduces recurrence risk.
Zollinger‑Ellison syndrome: controls excessive gastric acid production.
Helicobacter pylori eradication regimens: used as part of combination therapy to improve eradication rates.
NSAID‑associated ulcer prophylaxis: lowers risk of ulcer development in high‑risk patients.

How It Works

Omeprazole irreversibly binds to the H+/K+‑ATPase enzyme (the gastric proton pump) on the secretory surface of parietal cells, blocking the final step of acid secretion. This inhibition markedly reduces gastric acidity, allowing mucosal healing and providing symptom relief in acid‑related disorders.

Side Effects

Adverse reactions to omeprazole are generally mild but can vary in frequency.

Common Side Effects

Headache: mild to moderate intensity.
Diarrhea: usually self‑limiting.
Nausea or vomiting: occasional.
Abdominal pain or flatulence: intermittent.
Constipation: occasional.
Dry mouth: mild.

Serious or Rare Side Effects

Clostridioides difficile infection: may present with severe diarrhea.
Hypomagnesemia: can cause muscle cramps, seizures, or cardiac arrhythmia.
Acute interstitial nephritis: renal function impairment.
Stevens‑Johnson syndrome or toxic epidermal necrolysis: severe skin reactions.
Hepatotoxicity: elevated liver enzymes or hepatitis.
Bone fracture risk: long‑term use associated with decreased calcium absorption.

Precautions & Warnings

When prescribing Omekaste, clinicians should consider several safety aspects.

Assess renal and hepatic function: dose adjustment may be required in impairment.
Review concomitant medications: potential for drug‑drug interactions.
Monitor long‑term users: watch for magnesium deficiency and bone health.
Use caution in pregnancy: weigh benefits against potential risks.
Avoid in patients with known hypersensitivity to omeprazole or other PPIs.
Store at ambient temperature: keep in the original container, protect from moisture and direct sunlight.

Avoid Interactions

Omeprazole can affect the pharmacokinetics of several co‑administered drugs.

Major Interactions (Avoid)

Clopidogrel: reduced antiplatelet effect, may increase cardiovascular risk.
Atazanavir or other protease inhibitors: decreased antiviral efficacy.
Methotrexate (high dose): increased serum concentrations, risk of toxicity.

Moderate Interactions (Monitor Closely)

Warfarin: potential alteration of INR, monitor coagulation parameters.
Digoxin: possible increase in serum levels, observe for toxicity.
Phenytoin: reduced clearance, may require dose adjustment.
Diazepam: increased plasma concentration, monitor sedation.
Iron supplements: decreased absorption, separate administration by at least 2 hours.

Frequently Asked Questions

Omekaste contains omeprazole, a Proton Pump Inhibitor that is prescribed to lower stomach acid in conditions such as gastro‑esophageal reflux disease, peptic ulcer disease

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated: 05 Oct 2026

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