Drug interactions
Benzhydrocodone / acetaminophen + Fexofenadine
Severity: Minor
Benzhydrocodone / acetaminophen and Fexofenadine: 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
Opioids such as benzhydrocodone cause sedation and respiratory depression, whereas fexofenadine is minimally sedating. Meaningful additive CNS depression is unlikely.
What this interaction means in plain words
Benzhydrocodone / acetaminophen and Fexofenadine have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Why it happens
Theoretical additive CNS depression, limited by the low central penetration of fexofenadine.
What to do
No dose change needed; counsel on opioid-related drowsiness as usual.
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 Fexofenadine
- Danicopan + Fexofenadine Moderate
- Erdafitinib + Fexofenadine Moderate
- Fexofenadine + Glecaprevir / pibrentasvir Moderate
- Fexofenadine + Grapefruit Moderate
- Fexofenadine + Juice Moderate
- Acrivastine + Fexofenadine Minor
Frequently asked questions
Can I take Benzhydrocodone / acetaminophen with Fexofenadine?
MediHelp rates the interaction as minor. Benzhydrocodone / acetaminophen and Fexofenadine have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Opioids such as benzhydrocodone cause sedation and respiratory depression, whereas fexofenadine is minimally sedating. Meaningful additive CNS depression is unlikely.
How serious is the interaction between Benzhydrocodone / acetaminophen and Fexofenadine?
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 dose change needed; counsel on opioid-related drowsiness as usual.
What other medicines interact with Fexofenadine?
MediHelp also lists interactions of Fexofenadine with, for example, Danicopan, Erdafitinib, Glecaprevir / pibrentasvir. The full list is on the Fexofenadine page.
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