- What is esomeprazole, and how does it work (mechanism of action)?
- What brand names are available for esomeprazole?
- Do I need a prescription for esomeprazole?
- What are the side effects of esomeprazole?
- What is the dosage for esomeprazole?
- Which drugs or supplements interact with esomeprazole?
- Is esomeprazole safe to take if I'm pregnant or breastfeeding?
- What else should I know about esomeprazole?
What is the dosage for esomeprazole?
- For GERD, 20 or 40 mg of esomeprazole is given once daily for 4-8 weeks. In children ages 1-11, the dose is 10 or 20 mg daily.
- For the treatment of H. pylori, 40 mg is administered once daily in combination with amoxicillin and clarithromycin for 10 days.
- Frequent heartburn is treated with 20 mg daily for 14 days.
- The dose for preventing NSAID-induced ulcers is 20 to 40 mg daily for 6 months.
- Zollinger-Ellison syndrome is treated with 40 mg twice daily.
Esomeprazole capsules should be administered one hour before meals, swallowed whole and should not be crushed or chewed. Patients with difficulty swallowing can open the capsule and mix the pellets with applesauce. The applesauce should not be hot and the pellets should not be chewed or crushed.
Which drugs or supplements interact with esomeprazole?
Esomeprazole potentially can increase the concentration in blood of diazepam (Valium, Diastat) by decreasing the elimination of diazepam in the liver. Esomeprazole may have fewer drug interactions than omeprazole.
The absorption of certain drugs may be affected by stomach acidity. Therefore, esomeprazole and other PPIs that reduce stomach acid also reduce the absorption and concentration in blood of ketoconazole (Nizoral) and increase the absorption and concentration in blood of digoxin (Lanoxin). This may lead to reduced effectiveness of ketoconazole or increased digoxin toxicity, respectively.
Through unknown mechanisms, esomeprazole may increase blood levels of saquinavir (Invirase, Fortovase) and reduce blood levels of nelfinavir (Viracept) and atazanavir (Reyataz), Therefore, nelfinavir or atazanavir should not be administered with esomeprazole, and physicians should consider reducing the dose of saquinavir in order to avoid side effects from saquinavir.
Clopidogrel (Plavix) is converted to its active form by enzymes in the liver. Esomeprazole reduces the activity of these enzymes and potentially can reduce the activity of clopidogrel. Esomeprazole should not be used with clopidogrel.
Esomeprazole increases the concentration of cilostazol (Pletal) and its metabolites. The dose of cilostazol should be reduced from 100 mg twice daily to 50 mg twice daily when given with esomeprazole.
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