Drug interactions
Budesonide + Quinidine
Severity: Minor
Budesonide and Quinidine: 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
Quinidine inhibits P-glycoprotein, and budesonide is a P-gp substrate, so exposure could increase modestly. The clinical relevance is uncertain and generally small.
What this interaction means in plain words
Budesonide and Quinidine have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Budesonide belongs to Respiratory; Quinidine belongs to Anti Parasitic.
Why it happens
P-glycoprotein inhibition may slightly reduce budesonide efflux and increase absorption.
What to do
No routine adjustment is needed. Be alert for signs of corticosteroid excess with prolonged oral use.
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?
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Other interactions of Budesonide
Other interactions of Quinidine
- Adagrasib + Quinidine Contraindicated
- Arsenic trioxide + Quinidine Contraindicated
- Artemether / lumefantrine + Quinidine Contraindicated
- Chloroquine + Quinidine Contraindicated
- Dofetilide + Quinidine Contraindicated
- Dronedarone + Quinidine Contraindicated
Frequently asked questions
Can I take Budesonide with Quinidine?
MediHelp rates the interaction as minor. Budesonide and Quinidine 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 inhibits P-glycoprotein, and budesonide is a P-gp substrate, so exposure could increase modestly. The clinical relevance is uncertain and generally small.
How serious is the interaction between Budesonide and Quinidine?
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. Be alert for signs of corticosteroid excess with prolonged oral use.
What other medicines interact with Budesonide?
MediHelp also lists interactions of Budesonide with, for example, Aldesleukin, Atazanavir, Bcg vaccine live. The full list is on the Budesonide page.
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