Chloramphenicol-treated patients may respond poorly to Vitamin B-12 Injection. Serum concentrations of cyanocobalamin may be lowered by oral contraceptives. These interactions are unlikely to have clinical significance. Antimetabolites and most antibiotics invalidate Vitamin B-12 assays by microbiological techniques.
Exclusive offer for doctors
Register for a MIMS account and receive free medical publications worth $768 a year.
Sign Out
