Cyanocobalamin
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Cyanocobalamin
SIDE EFFECTS
Generalized: Anaphylactic shock and death have been reported with administration of parenteral vitamin B12 (See WARNINGS).
Cardiovascular: Pulmonary edema and congestive heart failure early in treatment; peripheral vascular thrombosis.
Hematological: Polycythemia vera
Gastrointestinal: Mild transient diarrhea
Dermatological: Itching; transitory exanthema
Miscellaneous: Feeling of swelling of entire body
Read the Cyanocobalamin (cyanocobalamin) Side Effects Center for a complete guide to possible side effects »
DRUG INTERACTIONS
Drug/Laboratory Test Interactions: Persons taking most antibiotics, methotrexate and pyrimethamine invalidate folic acid and vitamin B12 diagnostic blood assays.
Colchicine para-aminosalicylic acid and heavy alcohol intake for longer than 2 weeks may produce malabsorption of vitamin B12.
Last reviewed on RxList: 10/23/2008
This monograph has been modified to include the generic and brand name in many instances.
Additional Cyanocobalamin Information
Cyanocobalamin - User Reviews
Report Problems to the Food and Drug Administration
You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.
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