Drug interactions
Cyanocobalamin + Nizatidine
Severity: Minor
Cyanocobalamin and Nizatidine: minor interaction.
Last updated
For healthcare professionals — reference only. This page is a brief summary, not medical advice and not a substitute for official labeling or clinical judgement. Always verify before prescribing or dispensing.
Summary
Long-term acid suppression can reduce absorption of dietary protein-bound vitamin B12. Deficiency may develop over months to years. Crystalline cyanocobalamin supplements are less affected.
What this interaction means in plain words
Cyanocobalamin and Nizatidine have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Cyanocobalamin belongs to Miscellaneous; Nizatidine belongs to Gastrointestinal Tract.
Why it happens
Reduced gastric acid impairs release of vitamin B12 from food protein, decreasing absorption.
What to do
Monitor vitamin B12 status in patients on prolonged therapy and supplement if levels are low.
What to ask your pharmacist
- Is there anything I should notice while taking both?
- Do I need to tell my doctor at the next visit?
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Other interactions of Nizatidine
- Atazanavir + Nizatidine Major
- Dasatinib + Nizatidine Major
- Erlotinib + Nizatidine Major
- Itraconazole + Nizatidine Major
- Ketoconazole + Nizatidine Major
- Nizatidine + Pazopanib Major
Other interactions of Cyanocobalamin
Frequently asked questions
Can I take Cyanocobalamin with Nizatidine?
MediHelp rates the interaction as minor. Cyanocobalamin and Nizatidine have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Long-term acid suppression can reduce absorption of dietary protein-bound vitamin B12. Deficiency may develop over months to years. Crystalline cyanocobalamin supplements are less affected.
How serious is the interaction between Cyanocobalamin and Nizatidine?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor vitamin B12 status in patients on prolonged therapy and supplement if levels are low.
What other medicines interact with Nizatidine?
MediHelp also lists interactions of Nizatidine with, for example, Atazanavir, Dasatinib, Erlotinib. The full list is on the Nizatidine page.
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