Cyanocobalamin
7 interactions 112 cited references
Also sold as:
Dodex
Nascobal
Read the full Cyanocobalamin drug information page
Medically reviewed by
Dr. Brian Staiger, PharmD, BCPS
· Updated Aug 10, 2026
· Editorial policy
· Data sources
Sources: FDA prescribing information (Structured Product Labeling), the published literature cited in each entry, DDInter 2.0 (a major open-access drug-interaction database), and legacy DrugBank interaction data distributed by the NIH's RxNav service (decommissioned in 2024) — analyzed and reviewed by our pharmacist team. How we build this library →
Most serious with:
Omeprazole
Moderate
Cyanocobalamin Chloramphenicol Injection Chloromycetin® Injection Decreased efficacy of cyanocobalamin when used to treat anemia Details Cyanocobalamin Chloramphenicol Decreased efficacy of cyanocobalamin when used to treat anemia DetailsMinor
Cyanocobalamin Colchicine Colcrys Decreased cyanocobalamin absorption Details Cyanocobalamin Ascorbic Acid (Vitamin C) C-500® Chewable Tablet Reduced amounts of cyanocobalamin available for serum and body stores Details Cyanocobalamin Aminosalicylic Acid Reduced cyanocobalamin absorption Details Cyanocobalamin Ascorbic Acid Reduced amounts of cyanocobalamin available for serum and body stores DetailsNo interactions on this page match that filter — try the next page or clear the filter.
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