Drug interactions
Belzutifan + Budesonide
Severity: Moderate
Belzutifan and Budesonide: 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
Belzutifan can induce CYP3A4 and may lower exposure to budesonide, which is a CYP3A4 substrate. Reduced budesonide exposure could weaken disease control.
What this interaction means in plain words
Belzutifan and Budesonide 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.
Belzutifan belongs to Miscellaneous; Budesonide belongs to Respiratory.
Why it happens
Belzutifan induces CYP3A4, accelerating budesonide metabolism.
What to do
Monitor for loss of budesonide efficacy and increase the budesonide dose if needed. Reassess if belzutifan is stopped.
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
Other interactions of Belzutifan
Frequently asked questions
Can I take Belzutifan with Budesonide?
MediHelp rates the interaction as moderate. Belzutifan and Budesonide 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. Belzutifan can induce CYP3A4 and may lower exposure to budesonide, which is a CYP3A4 substrate. Reduced budesonide exposure could weaken disease control.
How serious is the interaction between Belzutifan and Budesonide?
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 loss of budesonide efficacy and increase the budesonide dose if needed. Reassess if belzutifan is stopped.
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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