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## Pantoprazole
### Overview
Pantoprazole is a proton pump inhibitor (PPI) that suppresses gastric acid secretion.
### Primary Indications
* Gastroesophageal reflux disease (GERD)
* Healing of erosive esophagitis
* Pathological hypersecretory conditions (e.g., Zollinger-Ellison syndrome)
* H. pylori eradication (in combination with antibiotics)
### Adult Dosing
* **GERD and Erosive Esophagitis:** 20 mg to 40 mg orally once daily.
* **Pathological Hypersecretory Conditions:** 40 mg orally once daily, may be increased up to 80 mg daily in divided doses. Dosing must be individualized.
* **H. pylori Eradication:** 40 mg orally twice daily for 7-14 days, in combination with antibiotics.
### Pediatric Dosing
* **GERD:**
* **1 month to 5 years:** 2.5 mg to 10 mg orally once daily. Dosing depends on weight and severity.
* **5 years to 16 years:** 20 mg to 40 mg orally once daily.
* *Note: Pediatric dosing may vary significantly based on weight, indication, and local protocols. Consult specific pediatric guidelines.*
### Dose Adjustments
No dose adjustment is typically required for hepatic or renal impairment.
### Contraindications
* Known hypersensitivity to pantoprazole or any component of the formulation.
### Adverse Effects
Common: Diarrhea, headache, dizziness, nausea, abdominal pain, flatulence.
Long-term use: Increased risk of C. difficile infection, bone fractures (hip, wrist, spine), vitamin B12 deficiency, hypomagnesemia.
### Key Drug Interactions
* **Drugs requiring gastric acid for absorption:** Ketoconazole, itraconazole, iron salts, mycophenolate mofetil. Pantoprazole can decrease absorption.
* **Warfarin:** Increased INR and prothrombin time. Monitor INR closely.
* **Methotrexate:** PPIs may increase methotrexate levels.
### Monitoring
* Clinical symptoms of GERD or acid-related disorders.
* Magnesium levels with prolonged therapy (especially in patients on diuretics or digoxin).
* Bone mineral density screening may be considered for patients at risk for osteoporosis.
### Clinical Pearls
* Administer oral pantoprazole at least 30 minutes before a meal.
* Swallow delayed-release tablets whole; do not crush, chew, or break.
* Intravenous formulation is available for patients unable to take oral medication.
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*Disclaimer: This information is intended for healthcare professionals and is not a substitute for professional medical advice. Always consult the most current prescribing information or a qualified healthcare provider for any questions regarding medication use.*
