Cyanocobalamin Nasal Gel

Name: Cyanocobalamin Nasal Gel Drug Interactions
Creator: Dr. Brian Staiger, PharmD, BCPS

5 interactions 112 cited references

Also sold as: Nascobal Nascobal®

About Cyanocobalamin Nasal Gel

Cyanocobalamin nasal gel is used to prevent a lack of vitamin B12 that may be caused by any of the following: pernicious anemia (lack of a natural substance needed to absorb vitamin B12 from the intestine); certain diseases, infections or medications that decrease the amount of vitamin B12 absorbed from food; or a vega… Read the full Cyanocobalamin Nasal Gel drug information page →

Medically reviewed by Dr. Brian Staiger, PharmD, BCPS · Updated Aug 9, 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

1 Major 1 Moderate 3 Minor

All (5) Major (1) Moderate (1) Minor (3)

Moderate

Cyanocobalamin Nasal Gel Chloramphenicol Decreased efficacy of cyanocobalamin when used to treat anemia Details

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Educational information only, not medical advice. Always confirm interactions with your pharmacist or prescriber before making any change to your medications.