Product image of Omeprazole Cristers Pharma (Omeprazole) supplied by GNH India

Omeprazole Cristers Pharma

Active Ingredient:
Omeprazole
Origin:
EU

Omeprazole Cristers Pharma (Omeprazole)

Omeprazole, the active ingredient in Omeprazole Cristers Pharma, is a proton pump inhibitor presented as an oral tablet for oral use. It reduces gastric acid production and is used to treat acid‑related gastrointestinal conditions in adults and children when appropriate.
GNH India supplies Omeprazole Cristers Pharma as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide.

Manufacturer / TM Owner

Cristers

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Indications & Clinical Uses

Omeprazole is a proton pump inhibitor that reduces gastric acid secretion in acid‑related disorders.

  • Gastro‑esophageal reflux disease (GERD): provides relief of heartburn and promotes healing of erosive esophagitis.
  • Peptic ulcer disease: accelerates healing of gastric and duodenal ulcers and helps prevent recurrence.
  • Zollinger‑Ellison syndrome: controls excessive gastric acid secretion associated with gastrin‑producing tumors.

How It Works

  • Omeprazole irreversibly binds to the H+/K+‑ATPase enzyme (the gastric proton pump) located on the secretory surface of parietal cells. By inhibiting this final step of acid production, it markedly reduces basal and stimulated gastric acidity, allowing mucosal healing and symptom control in acid‑related disorders.

Side Effects

Adverse reactions may occur with Omeprazole use.

Common Side Effects

  • Headache: mild to moderate pain often transient.
  • Abdominal pain: discomfort or cramping in the stomach region.
  • Diarrhea: loose stools that may be watery.
  • Nausea: feeling of unease or urge to vomit.
  • Flatulence: excess gas in the gastrointestinal tract.
  • Constipation: difficulty passing stools.

Serious or Rare Side Effects

  • Clostridioides difficile infection: severe colitis presenting with watery diarrhea.
  • Severe allergic reaction (anaphylaxis): rash, swelling, difficulty breathing.
  • Stevens‑Johnson syndrome: painful skin blistering and mucosal involvement.
  • Liver enzyme elevation: signs of hepatic stress detectable in labs.
  • Low magnesium (hypomagnesemia): muscle cramps, irregular heartbeat.
  • Increased risk of bone fracture: especially with long‑term use.

Precautions & Warnings

Before initiating therapy, consider patient‑specific factors and monitor for potential issues.

  • Assess renal and hepatic function: dose adjustment may be needed in impairment.
  • Use with caution in the elderly: increased susceptibility to adverse effects.
  • Avoid prolonged use without clear indication: long‑term therapy may raise fracture risk.
  • Monitor magnesium levels during extended treatment: supplement if deficiency arises.
  • Review concomitant medications that affect absorption or metabolism: adjust as necessary.
  • Store at room temperature: keep in the original pack, protect from moisture.

Avoid Interactions

Omeprazole can affect the plasma concentrations of several co‑administered drugs.

Major Interactions (Avoid)

  • Clopidogrel: reduced antiplatelet effect, increasing cardiovascular risk.
  • Atazanavir: markedly decreased antiviral exposure, compromising HIV therapy.
  • Ketoconazole: impaired antifungal absorption, reducing efficacy.

Moderate Interactions (Monitor Closely)

  • Digoxin: increased serum levels, risk of toxicity.
  • Methotrexate: elevated concentrations, especially at high doses.
  • Calcium carbonate: reduced absorption of both agents, may require timing adjustments.

Frequently Asked Questions

Omeprazole Cristers Pharma is a generic formulation of omeprazole, a proton pump inhibitor used to treat conditions caused by excess stomach acid, such as gastro‑esophageal reflux disease, peptic ulcer disease, and Zollinger‑Ellison syndrome. It helps relieve symptoms like heartburn and promotes healing of acid‑related lesions.

Omeprazole works by irreversibly inhibiting the H+/K+‑ATPase enzyme, also known as the gastric proton pump, on the secretory surface of parietal cells. This blockade prevents the final step of acid secretion, leading to a sustained reduction in gastric acidity and allowing damaged mucosa to heal.

The appropriate dose of Omeprazole Cristers Pharma is determined by the prescribing healthcare professional based on the specific indication, patient age, renal and hepatic function, and treatment duration. Patients should follow the prescriber’s instructions and not adjust the dose on their own.

Omeprazole is classified as a pregnancy category B drug, indicating that animal studies have not shown risk but there are limited human data. It may be used during pregnancy or lactation only if the potential benefit justifies the potential risk, and the decision should be made by the treating physician.

To place an order, submit an enquiry on the product page at gnhindia.com, specifying the required quantity. GNH India supplies hospitals, pharmacies, and procurement teams worldwide, and will request verification of trade or institutional credentials. After confirmation, the team provides pricing, availability, shipping details (including any cold‑chain requirements), and assists with import documentation.

The primary alternative to omeprazole is the H2‑receptor antagonist class, such as ranitidine or famotidine. While H2 blockers reduce acid secretion by blocking histamine receptors, they are generally less potent and have a shorter duration of action compared with proton pump inhibitors like omeprazole, which provide more profound and sustained acid suppression.

Omeprazole Cristers Pharma tablets should be stored at room temperature, below 25 °C, in the original blister pack or container to protect them from moisture and light. Keep the product out of reach of children and avoid storing in humid environments such as bathrooms.

The medication is taken orally, usually as a whole tablet swallowed with a glass of water. For optimal effect, it is commonly recommended to take the tablet before a meal, typically in the morning, unless the prescriber advises a different schedule.

Serious risks include Clostridioides difficile‑associated diarrhea, severe allergic reactions such as anaphylaxis, rare skin conditions like Stevens‑Johnson syndrome, significant reductions in serum magnesium, and an increased risk of bone fractures with long‑term use. Patients should seek immediate medical attention if they experience any of these symptoms.

Omeprazole Cristers Pharma should be avoided in individuals with known hypersensitivity to omeprazole or any component of the formulation. It is also contraindicated in patients with severe hepatic impairment and should be used with caution in those taking medications that rely on gastric acidity for absorption, unless supervised by a healthcare professional.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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