Panprabene (Pantoprazole)

Pantoprazole is a proton pump inhibitor that acts on the gastric acid secretion pathway. It is indicated for several acid‑related gastrointestinal conditions:

• Gastro‑oesophageal reflux disease (GERD): Provides relief of heartburn and promotes healing of erosive esophagitis.
• Erosive esophagitis: Accelerates mucosal healing in patients with endoscopically confirmed erosion.
• Zollinger‑Ellison syndrome: Controls gastric acid hypersecretion associated with gastrin‑producing tumours.
• Prevention of NSAID‑induced ulcer recurrence: Reduces risk of ulcer recurrence in patients requiring long‑term NSAID therapy.
• Healing of duodenal ulcers: Supports ulcer healing when used as part of a combination regimen.

• Pantoprazole selectively inhibits the H+/K+‑ATPase enzyme (the gastric proton pump) located on the secretory surface of parietal cells. By binding covalently to the pump in its active state, it blocks the final step of acid secretion, leading to a sustained increase in gastric pH and reduction of gastric acidity.

Pantoprazole is generally well tolerated, but adverse reactions can occur.

Common Side Effects

• Headache: mild to moderate intensity.
• Diarrhoea: usually self‑limiting.
• Nausea: occasional and transient.
• Abdominal pain: mild discomfort.
• Flatulence: increased intestinal gas.
• Constipation: infrequent but reported.

Serious or Rare Side Effects

• Severe allergic reaction (anaphylaxis): requires immediate medical attention.
• Clostridioides difficile infection: may present with watery diarrhoea.
• Low magnesium levels (hypomagnesemia): can cause muscle cramps or cardiac arrhythmia.
• Liver enzyme elevation: indicates possible hepatic stress.
• Bone fracture risk: associated with long‑term use.
• Acute interstitial nephritis: rare kidney inflammation.

Pantoprazole should be used with consideration of several safety aspects.

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