Omeprazolo Zentiva Srl (Omeprazole Sodium)

Omeprazolo Zentiva Srl is a proton pump inhibitor that acts on gastric acid secretion pathways.

• Gastro‑esophageal reflux disease (GERD): provides relief of heartburn and promotes healing of erosive esophagitis.
• Peptic ulcer disease: supports ulcer healing and reduces risk of recurrence.
• Zollinger‑Ellison syndrome: controls excessive gastric acid production associated with gastrin‑secreting tumors.
• NSAID‑induced ulcer prophylaxis: lowers the risk of ulcer formation in patients requiring long‑term NSAID therapy.

• Omeprazole sodium is a pro‑drug that is absorbed in the small intestine and accumulates in the acidic environment of gastric parietal cells. There it is converted to its active sulfonamide form, which irreversibly binds to the H+/K+‑ATPase (the gastric proton pump), inhibiting the final step of acid secretion and thereby decreasing gastric acidity.

Omeprazolo Zentiva Srl may cause a range of adverse reactions, most of which are mild and reversible.

Common Side Effects

• Headache
• Diarrhea
• Nausea
• Abdominal pain
• Flatulence
• Constipation

Serious or Rare Side Effects

• Clostridioides difficile‑associated colitis
• Acute interstitial nephritis
• Severe hypersensitivity reactions (e.g., Stevens‑Johnson syndrome)
• Low magnesium (hypomagnesemia) with long‑term use
• Fracture risk increased with prolonged therapy
• Vitamin B12 deficiency with chronic use

When using Omeprazolo Zentiva Srl, certain precautions should be observed:

• Assess risk for Clostridioides difficile infection: monitor patients with recent antibiotic use.
• Review renal function before initiation and periodically during long‑term therapy.
• Evaluate bone health in patients at high risk for fracture.
• Monitor magnesium levels in patients on extended treatment.
• Store at below 25°C: keep in the original pack and protect from moisture.
• Discontinue treatment if serious adverse reactions occur.
• Use with caution in pregnancy and while breast‑feeding if benefit outweigh the risk of the drug.

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• Omeprazole may interact with several medications that affect its absorption, metabolism, or therapeutic effect.
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