Malabsorption (insufficient absorption of vitamin B12 in the intestine) due to insufficient production of intrinsic factor (a protein produced in the lining of the stomach that is needed to absorb vitamin B12), disorders in the end section of the ileum (part of the small intestine), such as sprue, fish tapeworm infestation or blind loop syndrome (change in the course of the intestine after gastric surgery)
Doctors usually determine dosage based on blood test results
Laboratory tests on the day of admission showed normocytic anemia (hemoglobin level: 8.5 g/dL, mean corpuscular volume level: 81.4 fL)
Products should be stored under refrigeration at 28C, or frozen where specified, and kept away from light and moisture to prevent degradation
NSAIDs, Aspirin, Warfarin): May potentiate the risk of bleeding (7.4) Drugs Tightly Bound to Plasma Proteins: May cause a shift in plasma concentrations (7.6, 7.7) Olanzapine: When used in combination with PROZAC, also refer to the Drug Interactions section of the package insert for Symbyax (7.7) Drugs that Prolong the QT Interval: Do not use Prozac with thioridazine or pimozide
The two effects stack, producing a larger reduction in total body water than either factor alone