Drug interactions
Lanthanum carbonate + Moxifloxacin
Severity: Moderate
Lanthanum carbonate and Moxifloxacin: 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
Lanthanum binds to oral fluoroquinolones in the gut and lowers their absorption. The reduced exposure can compromise antibacterial efficacy.
What this interaction means in plain words
Lanthanum carbonate and Moxifloxacin 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.
Lanthanum carbonate belongs to Miscellaneous; Moxifloxacin belongs to Anti Bacterial.
Why it happens
Chelation of moxifloxacin by lanthanum cations in the gastrointestinal tract, reducing absorption.
What to do
Give oral moxifloxacin at least 2 hours before or 4 hours after lanthanum carbonate.
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 Moxifloxacin
- Amiodarone + Moxifloxacin Contraindicated
- Arsenic trioxide + Moxifloxacin Contraindicated
- Disopyramide + Moxifloxacin Contraindicated
- Dofetilide + Moxifloxacin Contraindicated
- Dronedarone + Moxifloxacin Contraindicated
- Droperidol + Moxifloxacin Contraindicated
Other interactions of Lanthanum carbonate
Frequently asked questions
Can I take Lanthanum carbonate with Moxifloxacin?
MediHelp rates the interaction as moderate. Lanthanum carbonate and Moxifloxacin 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. Lanthanum binds to oral fluoroquinolones in the gut and lowers their absorption. The reduced exposure can compromise antibacterial efficacy.
How serious is the interaction between Lanthanum carbonate and Moxifloxacin?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Give oral moxifloxacin at least 2 hours before or 4 hours after lanthanum carbonate.
What other medicines interact with Moxifloxacin?
MediHelp also lists interactions of Moxifloxacin with, for example, Amiodarone, Arsenic trioxide, Disopyramide. The full list is on the Moxifloxacin page.
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