Drug interactions
Pentostatin + Vitamin e
Severity: Minor
Pentostatin and Vitamin e: minor 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
Antioxidants such as vitamin E are theorized to blunt chemotherapy effects. Pentostatin is an adenosine deaminase inhibitor, and no clinically meaningful interaction has been shown.
What this interaction means in plain words
Pentostatin and Vitamin e have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Pentostatin belongs to Oncology; Vitamin e belongs to Gastrointestinal Tract.
Why it happens
Theoretical antioxidant interference with cytotoxic therapy; no established mechanism for pentostatin.
What to do
Discuss supplement use with the oncology team and avoid high-dose antioxidants during treatment unless advised.
What to ask your pharmacist
- Is there anything I should notice while taking both?
- Do I need to tell my doctor at the next visit?
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Other interactions of Vitamin e
- Betrixaban + Vitamin e Moderate
- Phenindione + Vitamin e Moderate
- Selumetinib + Vitamin e Moderate
- Vitamin e + Warfarin Moderate
- Alfalfa + Vitamin e Minor
- Antithrombin alfa + Vitamin e Minor
Other interactions of Pentostatin
- Carmustine + Pentostatin Contraindicated
- Etoposide + Pentostatin Contraindicated
- Fludarabine + Pentostatin Contraindicated
- Cyclophosphamide + Pentostatin Major
- Deferiprone + Pentostatin Major
- Fingolimod + Pentostatin Major
Frequently asked questions
Can I take Pentostatin with Vitamin e?
MediHelp rates the interaction as minor. Pentostatin and Vitamin e have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Antioxidants such as vitamin E are theorized to blunt chemotherapy effects. Pentostatin is an adenosine deaminase inhibitor, and no clinically meaningful interaction has been shown.
How serious is the interaction between Pentostatin and Vitamin e?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Discuss supplement use with the oncology team and avoid high-dose antioxidants during treatment unless advised.
What other medicines interact with Vitamin e?
MediHelp also lists interactions of Vitamin e with, for example, Betrixaban, Phenindione, Selumetinib. The full list is on the Vitamin e page.
Full monographs, dosing and an interaction checker in the MediHelp app
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