esomeprazole, Nexium (cont.)
Omudhome Ogbru, PharmD
Omudhome Ogbru, PharmD
Dr. Ogbru received his Doctorate in Pharmacy from the University of the Pacific School of Pharmacy in 1995. He completed a Pharmacy Practice Residency at the University of Arizona/University Medical Center in 1996. He was a Professor of Pharmacy Practice and a Regional Clerkship Coordinator for the University of the Pacific School of Pharmacy from 1996-99.
Medical and Pharmacy Editor:
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.
PREGNANCY: Use of esomeprazole in pregnant women has not been adequately evaluated.
NURSING MOTHERS: Esomeprazole has not been adequately studied in nursing women.
SIDE EFFECTS: Esomeprazole, like other PPIs, is well-tolerated. The most common side effects are diarrhea, nausea, vomiting, headaches, rash and dizziness. Nervousness, abnormal heartbeat, muscle pain, weakness, leg cramps, and water retention occur infrequently.
High doses and long-term use (1 year or longer) may increase the risk of osteoporosis-related fractures of the hip, wrist, or spine. Therefore, it is important to use the lowest doses and shortest duration of treatment necessary for the condition being treated.
Reference: FDA Prescribing Information
Last Editorial Review: 1/5/2011
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