If you are:
FDB Only When Necessary: INSUFFICIENT HUMAN DATA AVAIL; ANIMAL DATA DO NOT SUG DEV TOX
Precaution: INSUFFICIENT HUMAN DATA AVAIL; SIMILAR DRUG OMEPRAZOLE EXCRETED AT LOW LEVELS
An adult over 60:
management or monitoring precaution: General-Prolonged use may decrease absorption of Vitamin B-12. Avoid for >8 weeks duration unless for high risk patients (eg. oral corticosteroids or chronic NSAID use), erosive esophagitis, Barrett's esophagitis, pathologic hypersecretory condition, or demonstrated need for maintenance treatment. Musculoskeletal-Increased risk of fracture with high dose or prolonged use of greater than 1 year. Gastrointestinal-Long term use may be associated with C. difficile diarrhea.
Giving Nexium to a child under 12:
Severe Precaution: Safety and efficacy not established.
management or monitoring precaution: Increased incidence of tachypnea, regurgitation and increased ALT in patients age < 1 year.