Skip to content

Drug interactions

Metformin + Nizatidine

Severity: Minor

Metformin 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

Nizatidine may slightly raise metformin concentrations. The effect is generally small, but could matter in patients with reduced renal function.

What this interaction means in plain words

Metformin 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.

Metformin belongs to Endocrine; Nizatidine belongs to Gastrointestinal Tract.

Evidence level: Low

Why it happens

Nizatidine is thought to compete with metformin for renal tubular cationic transporters (OCT2/MATE), reducing its renal clearance.

What to do

No routine adjustment is needed; in patients with renal impairment monitor glycemic control and renal function and reduce the metformin dose if needed.

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.

Pro+ members

Unlock the full page

Create an account and start a Pro+ trial to unlock the full management advice for Metformin and Nizatidine, the additional notes, the evidence detail and the whole-prescription interaction checker.

  • Full clinical management advice
  • Additional notes
  • Evidence detail
  • Interaction checker for a whole prescription

Try Pro+ free for 7 days on the web. No card needed.

Frequently asked questions

Can I take Metformin with Nizatidine?

MediHelp rates the interaction as minor. Metformin 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. Nizatidine may slightly raise metformin concentrations. The effect is generally small, but could matter in patients with reduced renal function.

How serious is the interaction between Metformin 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: No routine adjustment is needed; in patients with renal impairment monitor glycemic control and renal function and reduce the metformin dose if needed.

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.

Full monographs, dosing and an interaction checker in the MediHelp app

Open the complete reference, check multi-drug interactions and use dosing tools in the MediHelp app.

Browse A–Z · Drug interactions

Get the app Sign in