Drug interactions
Calcium + Lanthanum carbonate
Severity: Minor
Calcium and Lanthanum carbonate: 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
Calcium antacids may interfere with lanthanum absorption or binding behavior in the gut, and labeling advises spacing. Both agents act as phosphate binders and are used together in some regimens, so timing matters.
What this interaction means in plain words
Calcium and Lanthanum carbonate have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Calcium belongs to Gastrointestinal Tract; Lanthanum carbonate belongs to Miscellaneous.
Why it happens
Possible binding or interaction between cations in the gastrointestinal tract.
What to do
Give antacids at least 2 hours before or after lanthanum, and monitor serum phosphate and calcium.
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 Calcium
- Calcium + Ceftriaxone Contraindicated
- Acalabrutinib + Calcium Moderate
- Alendronate + Calcium Moderate
- Atazanavir + Calcium Moderate
- Baloxavir marboxil + Calcium Moderate
- Bendroflumethiazide + Calcium Moderate
Other interactions of Lanthanum carbonate
Frequently asked questions
Can I take Calcium with Lanthanum carbonate?
MediHelp rates the interaction as minor. Calcium and Lanthanum carbonate have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Calcium antacids may interfere with lanthanum absorption or binding behavior in the gut, and labeling advises spacing. Both agents act as phosphate binders and are used together in some regimens, so timing matters.
How serious is the interaction between Calcium and Lanthanum carbonate?
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 antacids at least 2 hours before or after lanthanum, and monitor serum phosphate and calcium.
What other medicines interact with Calcium?
MediHelp also lists interactions of Calcium with, for example, Ceftriaxone, Acalabrutinib, Alendronate. The full list is on the Calcium page.
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