Drug interactions
Carboplatin + Cyclophosphamide
Severity: Moderate
Carboplatin and Cyclophosphamide: 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
Both agents suppress bone marrow function, and combining them increases the risk of neutropenia, thrombocytopenia and infection. They are often used together deliberately in established regimens.
What this interaction means in plain words
Carboplatin and Cyclophosphamide 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.
Carboplatin belongs to Oncology; Cyclophosphamide belongs to Oncology.
Why it happens
Additive myelosuppression from two cytotoxic agents.
What to do
Monitor complete blood counts before each cycle and adjust doses or delay treatment for cytopenias.
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 Cyclophosphamide
Other interactions of Carboplatin
Frequently asked questions
Can I take Carboplatin with Cyclophosphamide?
MediHelp rates the interaction as moderate. Carboplatin and Cyclophosphamide 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. Both agents suppress bone marrow function, and combining them increases the risk of neutropenia, thrombocytopenia and infection. They are often used together deliberately in established regimens.
How serious is the interaction between Carboplatin and Cyclophosphamide?
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 complete blood counts before each cycle and adjust doses or delay treatment for cytopenias.
What other medicines interact with Cyclophosphamide?
MediHelp also lists interactions of Cyclophosphamide with, for example, Adenovirus types 4 and 7 live, Belatacept, Bendamustine. The full list is on the Cyclophosphamide page.
Full monographs, dosing and an interaction checker in the MediHelp app
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