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# Sompraz HP (Pantoprazole Sodium)
## Overview
Pantoprazole sodium is a proton pump inhibitor (PPI) that suppresses gastric acid secretion.
## Primary Indications
* Gastroesophageal reflux disease (GERD) - healing of erosive esophagitis and maintenance of healing.
* Pathological hypersecretory conditions, including Zollinger-Ellison syndrome.
## Adult Dosing
* **GERD:** 40 mg orally or intravenously once daily for up to 8 weeks. For maintenance of healing of erosive esophagitis, 40 mg orally once daily; some patients may be adequately maintained on 20 mg orally once daily.
* **Erosive Esophagitis (Short-term treatment):** 40 mg orally or intravenously once daily for 7 days.
* **Zollinger-Ellison Syndrome:** 40 mg orally or intravenously twice daily. Doses may be adjusted to individual need, with usual doses ranging from 40 mg to 80 mg daily, given in divided doses. Maximum recommended dose is 160 mg every 12 hours.
## Pediatric Dosing
* **GERD (Erosive Esophagitis):**
* **12 years and older:** 40 mg orally once daily for up to 8 weeks.
*Dosing for pediatric patients younger than 12 years is not established for this indication.*
## Dose Adjustments
* **Hepatic Impairment:** Maximum recommended dose is 20 mg orally once daily.
* **Renal Impairment:** No dose adjustment necessary.
## 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, dizziness, and rash. Long-term use may increase the risk of Clostridium difficile-associated diarrhea, bone fractures, hypomagnesemia, and vitamin B12 deficiency.
## Key Drug Interactions
* **Drugs Dependent on Gastric pH for Absorption:** Pantoprazole may decrease the absorption of drugs like ketoconazole, itraconazole, posaconazole, and to a lesser extent, may affect absorption of other drugs (e.g., certain antiretrovirals).
* **Methotrexate:** PPIs may increase serum levels of methotrexate.
* **CYP2C19 Substrates:** Pantoprazole is a moderate inhibitor of CYP2C19. Use with caution with drugs primarily metabolized by CYP2C19 (e.g., clopidogrel, diazepam, phenytoin).
## Monitoring
* Monitor for signs and symptoms of Clostridium difficile infection.
* Monitor serum magnesium levels, especially with prolonged therapy (typically beyond 3 months) or concurrent use of other medications that can lower magnesium levels (e.g., diuretics).
* Consider monitoring vitamin B12 levels with long-term therapy.
* Monitor for bone fractures, particularly in patients at risk.
## Clinical Pearls
* Administer oral pantoprazole 30 minutes before a meal.
* Intravenous administration should be over 2 minutes or infused over 15 minutes.
* Antacids may be used concomitantly.
* Use the lowest effective dose for the shortest duration necessary to treat the condition.
* Patients treated with PPIs for more than 3 months may develop symptomatic hypomagnesemia.
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*This information is intended for healthcare professionals. Always consult the official prescribing information and relevant literature for complete details and to verify current recommendations before making clinical decisions.*
