Drug interactions
Baloxavir marboxil + Selenium
Severity: Minor
Baloxavir marboxil and Selenium: 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
Baloxavir can chelate polyvalent cations in the gut, which may reduce its absorption. Selenium supplements are not classic polyvalent cations like calcium, iron or aluminum, so any effect is uncertain.
What this interaction means in plain words
Baloxavir marboxil and Selenium have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Baloxavir marboxil belongs to Anti Virals; Selenium belongs to Gastrointestinal Tract.
Why it happens
Possible chelation in the gastrointestinal tract; not established for selenium.
What to do
No routine action is needed; if concerned, separate dosing from selenium-containing supplements by several hours.
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 Selenium
- Alendronate + Selenium Moderate
- Eltrombopag + Selenium Moderate
- Ibandronate + Selenium Moderate
- Penicillamine + Selenium Moderate
- Risedronate + Selenium Moderate
- Bictegravir + Selenium Minor
Other interactions of Baloxavir marboxil
- Aluminum hydroxide + Baloxavir marboxil Moderate
- Baloxavir marboxil + Calcium Moderate
- Baloxavir marboxil + Calcium carbonate Moderate
- Baloxavir marboxil + Carbonyl iron Moderate
- Baloxavir marboxil + Ferrous fumarate Moderate
- Baloxavir marboxil + Ferrous gluconate Moderate
Frequently asked questions
Can I take Baloxavir marboxil with Selenium?
MediHelp rates the interaction as minor. Baloxavir marboxil and Selenium have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Baloxavir can chelate polyvalent cations in the gut, which may reduce its absorption. Selenium supplements are not classic polyvalent cations like calcium, iron or aluminum, so any effect is uncertain.
How serious is the interaction between Baloxavir marboxil and Selenium?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: No routine action is needed; if concerned, separate dosing from selenium-containing supplements by several hours.
What other medicines interact with Selenium?
MediHelp also lists interactions of Selenium with, for example, Alendronate, Eltrombopag, Ibandronate. The full list is on the Selenium page.
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