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# Pantoprazole ## Overview Pantoprazole is a proton pump inhibitor (PPI) that suppresses gastric acid secretion. ## Primary Indications * Erosive esophagitis associated with gastroesophageal reflux disease (GERD). * Pathological hypersecretory conditions (e.g., Zollinger-Ellison syndrome). * Healing of duodenal ulcers. * Maintenance of healing of erosive esophagitis and duodenal ulcers. ## Adult Dosing * **Erosive esophagitis:** 40 mg orally once daily for up to 8 weeks. Maintenance therapy: 40 mg orally once daily. * **Duodenal ulcers:** 40 mg orally once daily for up to 4 weeks. * **Zollinger-Ellison syndrome:** Starting dose 40 mg orally twice daily. Doses may be increased. Maximum recommended dose is 240 mg daily. ## Pediatric Dosing * **Age 5 to 11 years:** * Erosive esophagitis: 20 mg orally once daily for up to 4 weeks. * GERD: 10 mg to 20 mg orally once daily for up to 8 weeks. * **Age 12 to 17 years:** * Erosive esophagitis: 40 mg orally once daily for up to 8 weeks. * GERD: 20 mg to 40 mg orally once daily for up to 8 weeks. *Note: Dosing in pediatrics may vary based on clinical indication and local protocols.* ## Dose Adjustments * **Hepatic Impairment:** Maximum daily dose of 40 mg. ## Contraindications * Known hypersensitivity to pantoprazole or any component of the formulation. ## Adverse Effects * **Common:** Diarrhea, headache, abdominal pain, nausea, dizziness. * **Long-term use associated:** Increased risk of Clostridium difficile infection, bone fractures (hip, wrist, spine), hypomagnesemia, vitamin B12 deficiency, and potentially fundic gland polyps. ## Key Drug Interactions * **Clopidogrel:** Pantoprazole may decrease the antiplatelet effect of clopidogrel. Consider alternatives if concomitant use is necessary. * **Methotrexate:** PPIs can increase methotrexate levels. Consider dose reduction or temporary discontinuation. * **Drugs requiring gastric acid for absorption:** Ketoconazole, itraconazole, iron salts, and certain antiretrovirals may have decreased absorption. ## Monitoring * Electrolytes (especially magnesium, calcium, potassium) with long-term therapy. * Renal function. * Vitamin B12 levels with prolonged therapy. * Signs and symptoms of C. difficile infection. ## Clinical Pearls * Administer pantoprazole delayed-release tablets 30 minutes before a meal. * For intravenous administration, reconstitute and infuse over 15 minutes. * Consider the risk of bone fractures with long-term PPI use, especially in patients at high risk. * Evaluate for *H. pylori* infection if indicated. *** *This information is for educational purposes only and does not substitute for professional medical advice. Always consult with a qualified healthcare provider to determine the best course of treatment for your specific condition and to review the most up-to-date prescribing information.*