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# Sompraz HP (Pantoprazole)
## Overview
Pantoprazole is a proton pump inhibitor (PPI) that reduces stomach acid production.
## 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 or intravenously 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 or intravenously twice daily. Doses can be titrated up to 240 mg daily in divided doses.
## Pediatric Dosing
* **Erosive esophagitis (1-16 years):** 20 mg or 40 mg orally once daily, depending on body weight (20 mg for <40 kg, 40 mg for ≥40 kg). Duration up to 8 weeks.
* **Note:** Dosing in younger children or for conditions other than erosive esophagitis may vary and should be guided by specialist recommendations and available literature.
## Dose Adjustments
* **Hepatic impairment:** Maximum dose of 40 mg once daily.
* **Renal impairment:** No dose adjustment necessary.
## Contraindications
* Known hypersensitivity to pantoprazole or any component of the formulation.
## Adverse Effects
Common: Headache, diarrhea, nausea, abdominal pain, dizziness, fatigue.
Serious: Clostridium difficile-associated diarrhea, bone fractures (hip, wrist, spine), hypomagnesemia, vitamin B12 deficiency, systemic lupus erythematosus.
## Key Drug Interactions
* **Drugs dependent on gastric pH for absorption:** May decrease absorption of drugs like ketoconazole, itraconazole, posaconazole, iron salts, and cyanocobalamin.
* **Methotrexate:** PPIs may increase methotrexate levels, potentially leading to toxicity.
* **CYP2C19 substrates:** May affect metabolism of drugs like clopidogrel.
## Monitoring
* Long-term use: Monitor for signs of hypomagnesemia, vitamin B12 deficiency, and bone fracture risk.
* Consider monitoring magnesium levels, especially in patients on long-term therapy or taking concomitant medications like digoxin or diuretics.
## Clinical Pearls
* Administer oral pantoprazole 30 minutes before a meal.
* Enteric-coated tablets should not be crushed or chewed.
* IV formulation available for patients unable to take oral medication.
* Consider the risk of fractures, C. difficile infection, and hypomagnesemia with prolonged use.
**Disclaimer:** This information is intended for healthcare professionals. Always consult the most current prescribing information and relevant clinical guidelines before making therapeutic decisions.
