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Vitamin B12

Also indexed as: Adenosylcobalamin, Cobalamin, Cyanocobalamin, Hydroxocobalamin, Hydroxycyanocobalamin, Methylcobalamin

Drug Interactions Safety Check

Certain medications may have beneficial or harmful interactions with vitamin B12. Refer to the individual drugs for specific information about an interaction.

Anticonvulsants (Depletion or interference)

AZT (Depletion or interference)

Cimetidine (Depletion or interference)

Clofibrate (Depletion or interference *)

Colchicine (Depletion or interference *)

Cycloserine (Depletion or interference *)

Erythromycin (Depletion or interference)

Famotidine (Depletion or interference)

Fenofibrate (Side effect reduction/prevention)

Gabapentin (Depletion or interference *)

Isoniazid (Depletion or interference)

Lansoprazole (Depletion or interference *)

Metformin (Depletion or interference)

Methyldopa (Depletion or interference *)

Neomycin (Depletion or interference)

Nitrous Oxide (Depletion or interference)

Nizatidine (Depletion or interference)

Omeprazole (Depletion or interference *)

Oral Contraceptives (Depletion or interference *)

Phenobarbital (Depletion or interference *)

Ranitidine (Depletion or interference *)

Sulfamethoxazole (Depletion or interference *)

Tetracycline (Depletion or interference)

Tricyclic Antidepressants (Supportive interaction)

Trimethoprim (Depletion or interference *)

Valproic Acid (Depletion or interference *)