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Drug interactions

Quinidine + Sevelamer

Severity: Minor

Quinidine and Sevelamer: 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

Sevelamer is a non-absorbed phosphate binder, and it could in theory bind quinidine in the gut. A real reduction in quinidine absorption has not been well documented.

What this interaction means in plain words

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

Quinidine belongs to Anti Parasitic; Sevelamer belongs to Miscellaneous.

Evidence level: Low

Why it happens

Possible binding of quinidine in the gastrointestinal tract by sevelamer, which is not well established.

What to do

Give quinidine at least 1 hour before or 3 hours after sevelamer. Check quinidine levels if the response is inadequate.

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 Quinidine with Sevelamer?

MediHelp rates the interaction as minor. Quinidine and Sevelamer have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Sevelamer is a non-absorbed phosphate binder, and it could in theory bind quinidine in the gut. A real reduction in quinidine absorption has not been well documented.

How serious is the interaction between Quinidine and Sevelamer?

MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Give quinidine at least 1 hour before or 3 hours after sevelamer. Check quinidine levels if the response is inadequate.

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.

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