Drug interactions
Cefalexin + Ferric oxyhydroxide
Severity: Minor
Cefalexin and Ferric oxyhydroxide: 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
Taking cefalexin with ferric oxyhydroxide may reduce its absorption, which could reduce its efficacy.
What this interaction means in plain words
Cefalexin and Ferric oxyhydroxide have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Cefalexin belongs to Anti Bacterial; Ferric oxyhydroxide belongs to Gastrointestinal Tract.
Why it happens
Possible binding or reduced absorption of cefalexin in the gut caused by the binder.
What to do
Give cefalexin at least 1 hour before ferric oxyhydroxide.
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 Ferric oxyhydroxide
Other interactions of Cefalexin
- Amikacin + Cefalexin Moderate
- Avelumab + Cefalexin Moderate
- Balstilimab + Cefalexin Moderate
- Bcg vaccine live + Cefalexin Moderate
- Cefalexin + Cholera vaccine Moderate
- Cefalexin + Gentamicin Moderate
Frequently asked questions
Can I take Cefalexin with Ferric oxyhydroxide?
MediHelp rates the interaction as minor. Cefalexin and Ferric oxyhydroxide have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Taking cefalexin with ferric oxyhydroxide may reduce its absorption, which could reduce its efficacy.
How serious is the interaction between Cefalexin and Ferric oxyhydroxide?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Give cefalexin at least 1 hour before ferric oxyhydroxide.
What other medicines interact with Ferric oxyhydroxide?
MediHelp also lists interactions of Ferric oxyhydroxide with, for example, Doxycycline, Levothyroxine, Acetylsalicylic acid. The full list is on the Ferric oxyhydroxide page.
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