Product image of Omestad (Omeprazole) supplied by GNH India

Omestad

Active Ingredient:
Omeprazole
Origin:
EU

Omestad (Omeprazole)

Omeprazole, the active ingredient in Omestad, is a proton pump inhibitor presented as a 20 mg tablet for oral use. It reduces stomach acid production and is used to manage gastro‑intestinal reflux disease and related conditions in adults.
GNH India supplies Omestad as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide.

Manufacturer / TM Owner

Stada Arzneimittel Ag

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Indications & Clinical Uses

Omeprazole acts on the gastric acid secretion pathway and is indicated for several acid‑related disorders.

  • Gastro‑esophageal reflux disease (GERD): provides symptomatic relief and promotes healing of erosive esophagitis.
  • Peptic ulcer disease: supports ulcer healing and reduces risk of recurrence.
  • Zollinger‑Ellison syndrome: controls excessive gastric acid secretion associated with the condition.

How It Works

  • Omeprazole selectively and irreversibly inhibits the H+/K+‑ATPase enzyme (the gastric proton pump) located on the secretory surface of parietal cells. By blocking this final step of acid production, it markedly lowers gastric acidity, allowing mucosal healing and symptom control.

Side Effects

Adverse reactions to omeprazole are generally mild to moderate, but serious events can occur.

Common Side Effects

  • Headache: mild and transient.
  • Diarrhea: watery stools without blood.
  • Nausea: occasional feeling of stomach upset.
  • Abdominal pain: mild cramping or discomfort.
  • Flatulence: increased intestinal gas.
  • Constipation: reduced bowel movements.

Serious or Rare Side Effects

  • Clostridioides difficile infection: severe colitis presenting with watery diarrhea.
  • Acute interstitial nephritis: kidney inflammation with reduced urine output.
  • Stevens‑Johnson syndrome: severe skin rash with mucosal involvement.
  • Hepatic injury: elevated liver enzymes or jaundice.
  • Hypomagnesemia: low serum magnesium causing muscle cramps or arrhythmia.
  • Fracture risk: increased incidence of hip, wrist or spine fractures with long‑term use.

Precautions & Warnings

When prescribing omeprazole, clinicians should consider several safety aspects.

  • Assess renal and hepatic function: adjust use in severe impairment.
  • Review concomitant medications: potential for altered drug levels.
  • Monitor for infection: prolonged acid suppression may increase gastrointestinal infection risk.
  • Evaluate long‑term use: consider bone health and nutrient absorption.
  • Pregnancy and lactation: use only if clearly needed after risk‑benefit assessment.
  • Store below 25°C: keep in the original container, protect from moisture and direct sunlight.

Avoid Interactions

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

Major Interactions (Avoid)

  • Clopidogrel: reduced antiplatelet effect, increasing cardiovascular event risk.
  • Atazanavir: decreased antiviral exposure, compromising HIV therapy.
  • Dasatinib: lower plasma concentrations, reducing oncologic efficacy.

Moderate Interactions (Monitor Closely)

  • Warfarin: potential increase in INR, requiring more frequent monitoring.
  • Phenytoin: decreased serum levels, possibly reducing seizure control.
  • Ketoconazole: reduced absorption, diminishing antifungal effectiveness.

Frequently Asked Questions

Omestad contains omeprazole, a proton pump inhibitor that is prescribed to lower stomach acid in conditions such as gastro‑oesophageal reflux disease, peptic ulcer disease and Zollinger‑Ellison syndrome. By reducing acid, it helps relieve symptoms and promotes healing of the gastrointestinal lining.

Omeprazole blocks the H+/K+‑ATPase enzyme, also known as the gastric proton pump, on the surface of stomach parietal cells. This irreversible inhibition stops the final step of acid secretion, leading to a sustained decrease in gastric acidity and allowing damaged tissue to heal.

The appropriate dose of Omestad is determined by the prescribing clinician based on the specific indication, severity of disease and patient characteristics. Dosage regimens are individualized and should follow the prescriber’s instructions and local labeling.

Omeprazole is classified as pregnancy category B in many regions, indicating no proven risk in animal studies but limited human data. It should be used in pregnancy or while breastfeeding only when the potential benefit justifies any possible risk, and under medical supervision.

To request Omestad, submit an enquiry on the product page at gnhindia.com, specifying the required quantity. GNH India works with hospitals, pharmacies and procurement teams worldwide, verifies trade or institutional credentials, and then provides pricing, availability, shipping details and any necessary import documentation.

Omeprazole belongs to the proton pump inhibitor class, which provides more potent and longer‑lasting acid suppression than H2‑receptor antagonists such as ranitidine. Compared with newer PPIs, omeprazole has a well‑established efficacy and safety profile, though individual response and drug‑interaction potential may vary.

Omestad tablets should be stored at temperatures below 25 °C, in the original packaging to protect from moisture and light. Keeping the product in a dry, cool environment helps maintain its potency throughout its shelf life.

Omestad is taken orally, usually as a whole tablet with a glass of water. It is commonly recommended to swallow the tablet before a meal, although specific timing should follow the prescribing clinician’s guidance.

Serious adverse events linked to omeprazole include Clostridioides difficile‑associated colitis, acute interstitial nephritis, severe skin reactions such as Stevens‑Johnson syndrome, and low magnesium levels that can cause cardiac arrhythmias. Patients should seek immediate medical attention if they experience any of these symptoms.

Omestad is contraindicated in individuals with known hypersensitivity to omeprazole or any other component of the formulation. Caution is also advised for patients with severe liver disease, and it should be avoided in those taking medications that have major interactions unless closely supervised by a healthcare professional.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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