Drug interactions
Glipizide-metformin + Procainamide
Severity: Moderate
Glipizide-metformin and Procainamide: moderate 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
Metformin and procainamide are both organic cations secreted by renal tubular transporters. Competition may raise procainamide or metformin levels, potentially increasing procainamide toxicity such as QT prolongation.
What this interaction means in plain words
Glipizide-metformin and Procainamide can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken.
Why it happens
Competition for renal tubular secretion via OCT2 and MATE transporters.
What to do
Monitor ECG, procainamide and NAPA levels, and renal function. Adjust procainamide dose and watch for metformin adverse effects.
What to ask your pharmacist
- Should I take them at different times of day?
- Does the dose of either medicine need to change?
- Is there anything I should avoid, such as alcohol or certain foods, while on both?
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Other interactions of Glipizide-metformin
Frequently asked questions
Can I take Glipizide-metformin with Procainamide?
MediHelp rates the interaction as moderate. Glipizide-metformin and Procainamide can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken. Metformin and procainamide are both organic cations secreted by renal tubular transporters. Competition may raise procainamide or metformin levels, potentially increasing procainamide toxicity such as QT prolongation.
How serious is the interaction between Glipizide-metformin and Procainamide?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor ECG, procainamide and NAPA levels, and renal function. Adjust procainamide dose and watch for metformin adverse effects.
What other medicines interact with Glipizide-metformin?
MediHelp also lists interactions of Glipizide-metformin with, for example, Contrast media, Diatrizoate meglumine / diatrizoate, Diatrizoate. The full list is on the Glipizide-metformin page.
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