Drug interactions
Calcium + Salicylates
Severity: Minor
Calcium and Salicylates: 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 carbonate can alkalinize urine and change the renal clearance of salicylates. The effect is generally modest and mostly relevant with sustained high-dose salicylate treatment.
What this interaction means in plain words
Calcium and Salicylates 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
Urinary alkalinization increases ionization of salicylate and reduces its tubular reabsorption, raising excretion.
What to do
No action is usually required. With chronic high-dose salicylate use, monitor salicylate concentrations or toxicity and efficacy if calcium carbonate is started or stopped.
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
Frequently asked questions
Can I take Calcium with Salicylates?
MediHelp rates the interaction as minor. Calcium and Salicylates 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 carbonate can alkalinize urine and change the renal clearance of salicylates. The effect is generally modest and mostly relevant with sustained high-dose salicylate treatment.
How serious is the interaction between Calcium and Salicylates?
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 action is usually required. With chronic high-dose salicylate use, monitor salicylate concentrations or toxicity and efficacy if calcium carbonate is started or stopped.
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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