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# Sompraz HP (Pantoprazole)
## Overview
Pantoprazole is a proton pump inhibitor (PPI) that suppresses gastric acid secretion.
## Primary Indications
* Healing of erosive esophagitis associated with gastroesophageal reflux disease (GERD).
* Maintenance of healing of erosive esophagitis.
* Treatment of pathological hypersecretory conditions, including Zollinger-Ellison syndrome.
## Adult Dosing
* **Healing of erosive esophagitis:** 40 mg orally once daily for up to 8 weeks.
* **Maintenance of healing of erosive esophagitis:** 40 mg orally once daily.
* **Pathological hypersecretory conditions:** Starting dose is typically 40 mg orally twice daily, but may be increased based on clinical response. Doses up to 240 mg daily (divided into two doses) have been given.
## Pediatric Dosing
* **GERD and erosive esophagitis (ages 5 to 16 years):** 20 mg or 40 mg orally once daily, depending on the severity of esophagitis. Duration of treatment is typically up to 8 weeks. Dosing is based on weight and severity.
## Dose Adjustments
No dose adjustment is generally needed for patients with hepatic or renal impairment.
## Contraindications
* Known hypersensitivity to pantoprazole, any component of the formulation, or other substituted benzimidazoles.
## Adverse Effects
Common adverse effects include headache, diarrhea, nausea, abdominal pain, and dizziness. Long-term use of PPIs may be associated with an increased risk of fractures (hip, wrist, spine), Clostridium difficile infection, vitamin B12 deficiency, and hypomagnesemia.
## Key Drug Interactions
* **Drugs dependent on gastric pH for absorption:** May decrease absorption of drugs like ketoconazole, itraconazole, and certain HIV protease inhibitors.
* **Methotrexate:** PPIs may increase methotrexate levels.
* **CYP2C19 substrates:** Pantoprazole is a moderate inhibitor of CYP2C19. Caution may be needed with drugs primarily metabolized by this enzyme (e.g., clopidogrel, though clinical significance is debated).
## Monitoring
* Monitor for signs and symptoms of fracture, C. difficile infection, vitamin B12 deficiency, and hypomagnesemia, especially with long-term use.
* Electrolytes (magnesium, potassium) if hypomagnesemia is suspected.
## Clinical Pearls
* Pantoprazole is generally administered 30 to 60 minutes before a meal.
* The 24-hour IV infusion formulation is available for patients unable to take oral medications.
* Long-term use should be re-evaluated regularly, and the lowest effective dose used.
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**Disclaimer:** This information is intended for clinical use and is not a substitute for professional medical advice. Always consult the most current prescribing information and your institution's guidelines before making any treatment decisions.
