Drug interactions
Busulfan + Hydroxyurea
Severity: Major
Busulfan and Hydroxyurea: major 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
Both drugs cause bone marrow suppression, and combined use can produce profound cytopenias. This increases the risk of infection, bleeding and prolonged recovery.
What this interaction means in plain words
Busulfan and Hydroxyurea can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for.
Busulfan belongs to Oncology; Hydroxyurea belongs to Miscellaneous.
Why it happens
Additive myelosuppression from two cytotoxic agents.
What to do
Monitor complete blood counts frequently and reduce doses or interrupt therapy for severe cytopenias. Follow established protocol dosing when used together.
What to ask your pharmacist
- Does the benefit of taking both outweigh the risk in my case?
- Do I need any blood test, ECG or other check while on both?
- What early warning signs should I watch for, and what should I do if they appear?
Pro+ members
Unlock the full page
Create an account and start a Pro+ trial to unlock the full management advice for Busulfan and Hydroxyurea, the additional notes, the evidence detail and the whole-prescription interaction checker.
- Full clinical management advice
- Additional notes
- Evidence detail
- Interaction checker for a whole prescription
Try Pro+ free for 14 days on the web. No card needed.
Other interactions of Hydroxyurea
Other interactions of Busulfan
- Busulfan + Carboplatin Major
- Busulfan + Chlorambucil Major
- Busulfan + Cyclophosphamide Major
- Busulfan + Fingolimod Major
- Busulfan + Ifosfamide Major
- Busulfan + Itraconazole Major
Frequently asked questions
Can I take Busulfan with Hydroxyurea?
MediHelp rates the interaction as major. Busulfan and Hydroxyurea can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for. Both drugs cause bone marrow suppression, and combined use can produce profound cytopenias. This increases the risk of infection, bleeding and prolonged recovery.
How serious is the interaction between Busulfan and Hydroxyurea?
MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor complete blood counts frequently and reduce doses or interrupt therapy for severe cytopenias. Follow established protocol dosing when used together.
What other medicines interact with Hydroxyurea?
MediHelp also lists interactions of Hydroxyurea with, for example, Didanosine, Adenovirus types 4 and 7 live, Axicabtagene ciloleucel. The full list is on the Hydroxyurea page.
Full monographs, dosing and an interaction checker in the MediHelp app
Open the complete reference, check multi-drug interactions and use dosing tools in the MediHelp app.
