Drug interactions
Atazanavir + Eltrombopag
Severity: Moderate
Atazanavir and Eltrombopag: 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
Atazanavir inhibits UGT1A1, and eltrombopag is partly cleared by UGT1A1 and UGT1A3. Eltrombopag exposure may rise, and both drugs can raise bilirubin and liver enzymes.
What this interaction means in plain words
Atazanavir and Eltrombopag 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.
Atazanavir belongs to Anti Virals; Eltrombopag belongs to Miscellaneous.
Why it happens
Atazanavir inhibits UGT1A1 and possibly CYP-mediated clearance, which may reduce eltrombopag elimination.
What to do
Monitor liver function tests and bilirubin and review platelet response. Adjust the eltrombopag dose if hepatic abnormalities or excessive platelet counts occur.
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 Eltrombopag
- Alpelisib + Eltrombopag Moderate
- Aluminum hydroxide + Eltrombopag Moderate
- Amobarbital + Eltrombopag Moderate
- Artesunate + Eltrombopag Moderate
- Atorvastatin + Eltrombopag Moderate
- Berotralstat + Eltrombopag Moderate
Other interactions of Atazanavir
- Alfuzosin + Atazanavir Contraindicated
- Atazanavir + Avanafil Contraindicated
- Atazanavir + Dronedarone Contraindicated
- Atazanavir + Eletriptan Contraindicated
- Atazanavir + Eplerenone Contraindicated
- Atazanavir + Ergotamine Contraindicated
Frequently asked questions
Can I take Atazanavir with Eltrombopag?
MediHelp rates the interaction as moderate. Atazanavir and Eltrombopag 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. Atazanavir inhibits UGT1A1, and eltrombopag is partly cleared by UGT1A1 and UGT1A3. Eltrombopag exposure may rise, and both drugs can raise bilirubin and liver enzymes.
How serious is the interaction between Atazanavir and Eltrombopag?
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 liver function tests and bilirubin and review platelet response. Adjust the eltrombopag dose if hepatic abnormalities or excessive platelet counts occur.
What other medicines interact with Eltrombopag?
MediHelp also lists interactions of Eltrombopag with, for example, Alpelisib, Aluminum hydroxide, Amobarbital. The full list is on the Eltrombopag page.
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