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Drug interactions

Nizatidine + Tolbutamide

Severity: Minor

Nizatidine and Tolbutamide: 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

Concurrent use might slightly enhance the glucose-lowering effect of tolbutamide. The effect is small and not well established for nizatidine.

What this interaction means in plain words

Nizatidine and Tolbutamide have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.

Nizatidine belongs to Gastrointestinal Tract; Tolbutamide belongs to Endocrine.

Evidence level: Low

Why it happens

Changes in gastric pH may alter sulfonylurea absorption; the mechanism is not firmly established.

What to do

No routine adjustment is needed; check blood glucose when nizatidine is started or stopped and watch for hypoglycemia.

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?

Bring a full list of your medicines, including over-the-counter products, supplements and herbal remedies, to every pharmacy visit.

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Frequently asked questions

Can I take Nizatidine with Tolbutamide?

MediHelp rates the interaction as minor. Nizatidine and Tolbutamide have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Concurrent use might slightly enhance the glucose-lowering effect of tolbutamide. The effect is small and not well established for nizatidine.

How serious is the interaction between Nizatidine and Tolbutamide?

MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: No routine adjustment is needed; check blood glucose when nizatidine is started or stopped and watch for hypoglycemia.

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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