Drug interactions
Chloroquine + Lanthanum carbonate
Severity: Moderate
Chloroquine and Lanthanum carbonate: 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 chloroquine in the gut and can reduce its absorption. This may lower chloroquine effectiveness.
What this interaction means in plain words
Chloroquine and Lanthanum carbonate 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.
Chloroquine belongs to Anti Parasitic; Lanthanum carbonate belongs to Miscellaneous.
Why it happens
Chelation or adsorption of chloroquine by lanthanum in the GI tract, reducing absorption.
What to do
Give chloroquine at least 2 hours before or 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 Chloroquine
- Chloroquine + Cisapride Contraindicated
- Chloroquine + Dofetilide Contraindicated
- Chloroquine + Dronedarone Contraindicated
- Chloroquine + Droperidol Contraindicated
- Chloroquine + Panobinostat Contraindicated
- Chloroquine + Pimozide Contraindicated
Other interactions of Lanthanum carbonate
Frequently asked questions
Can I take Chloroquine with Lanthanum carbonate?
MediHelp rates the interaction as moderate. Chloroquine and Lanthanum carbonate 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 chloroquine in the gut and can reduce its absorption. This may lower chloroquine effectiveness.
How serious is the interaction between Chloroquine and Lanthanum carbonate?
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 chloroquine at least 2 hours before or after lanthanum carbonate.
What other medicines interact with Chloroquine?
MediHelp also lists interactions of Chloroquine with, for example, Cisapride, Dofetilide, Dronedarone. The full list is on the Chloroquine page.
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