Drug interactions
Budesonide + Quinupristin / dalfopristin
Severity: Moderate
Budesonide and Quinupristin / dalfopristin: 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
Quinupristin/dalfopristin inhibits CYP3A4 and may increase budesonide levels. Prolonged coadministration could increase systemic corticosteroid effects, although treatment courses are usually short.
What this interaction means in plain words
Budesonide and Quinupristin / dalfopristin 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
Inhibition of CYP3A4 by quinupristin/dalfopristin reduces budesonide metabolism.
What to do
Monitor for corticosteroid adverse effects such as hyperglycemia, fluid retention and Cushingoid signs during combined therapy.
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 Budesonide
Frequently asked questions
Can I take Budesonide with Quinupristin / dalfopristin?
MediHelp rates the interaction as moderate. Budesonide and Quinupristin / dalfopristin 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. Quinupristin/dalfopristin inhibits CYP3A4 and may increase budesonide levels. Prolonged coadministration could increase systemic corticosteroid effects, although treatment courses are usually short.
How serious is the interaction between Budesonide and Quinupristin / dalfopristin?
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 for corticosteroid adverse effects such as hyperglycemia, fluid retention and Cushingoid signs during combined therapy.
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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