Drug interactions
Patiromer + Quinidine
Severity: Moderate
Patiromer and Quinidine: 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
Patiromer is a cation-exchange polymer that remains in the gut and may bind co-administered oral drugs, lowering their absorption. Reduced quinidine exposure could weaken antiarrhythmic or antimalarial effect.
What this interaction means in plain words
Patiromer and Quinidine 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.
Patiromer belongs to Miscellaneous; Quinidine belongs to Anti Parasitic.
Why it happens
Binding of quinidine to patiromer in the gastrointestinal tract reduces its absorption.
What to do
Give quinidine at least 3 hours before or after patiromer, and monitor clinical response or quinidine levels.
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?
Pro+ members
Unlock the full page
Create an account and start a Pro+ trial to unlock the full management advice for Patiromer and Quinidine, 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 14 days on the web. No card needed.
Other interactions of Quinidine
- Adagrasib + Quinidine Contraindicated
- Arsenic trioxide + Quinidine Contraindicated
- Artemether / lumefantrine + Quinidine Contraindicated
- Chloroquine + Quinidine Contraindicated
- Dofetilide + Quinidine Contraindicated
- Dronedarone + Quinidine Contraindicated
Other interactions of Patiromer
- Alogliptin-metformin + Patiromer Moderate
- Canagliflozin-metformin + Patiromer Moderate
- Carvedilol + Patiromer Moderate
- Ciprofloxacin + Patiromer Moderate
- Dapagliflozin-metformin + Patiromer Moderate
- Empagliflozin-metformin + Patiromer Moderate
Frequently asked questions
Can I take Patiromer with Quinidine?
MediHelp rates the interaction as moderate. Patiromer and Quinidine 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. Patiromer is a cation-exchange polymer that remains in the gut and may bind co-administered oral drugs, lowering their absorption. Reduced quinidine exposure could weaken antiarrhythmic or antimalarial effect.
How serious is the interaction between Patiromer and Quinidine?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Give quinidine at least 3 hours before or after patiromer, and monitor clinical response or quinidine levels.
What other medicines interact with Quinidine?
MediHelp also lists interactions of Quinidine with, for example, Adagrasib, Arsenic trioxide, Artemether / lumefantrine. The full list is on the Quinidine 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.
