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Drug interactions

Memantine + Procainamide

Severity: Moderate

Memantine 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

Both are cationic drugs eliminated by tubular secretion and may compete for clearance. Raised procainamide levels could increase proarrhythmic risk.

What this interaction means in plain words

Memantine 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.

Evidence level: Low

Why it happens

Competition for renal tubular cationic secretion.

What to do

Monitor ECG and procainamide and NAPA levels, and renal function.

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?

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 Memantine with Procainamide?

MediHelp rates the interaction as moderate. Memantine 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. Both are cationic drugs eliminated by tubular secretion and may compete for clearance. Raised procainamide levels could increase proarrhythmic risk.

How serious is the interaction between Memantine 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 and procainamide and NAPA levels, and renal function.

What other medicines interact with Memantine?

MediHelp also lists interactions of Memantine with, for example, Ketamine, Acetazolamide, Aluminum hydroxide. The full list is on the Memantine page.

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