Drug interactions
Etidronate + Sodium citrate / citric acid
Severity: Minor
Etidronate and Sodium citrate / citric acid: 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
Oral citrate-containing solutions may reduce etidronate absorption if taken together. The clinical impact is likely small but could weaken the response.
What this interaction means in plain words
Etidronate and Sodium citrate / citric acid 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
Citrate may complex with etidronate or alter gastric conditions in the gut, reducing absorption; the mechanism is not firmly established.
What to do
Give etidronate on an empty stomach and separate oral citrate preparations by about 2 hours.
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 Etidronate
- Aluminum hydroxide + Etidronate Moderate
- Calcium acetate + Etidronate Moderate
- Calcium carbonate + Etidronate Moderate
- Calcium chloride + Etidronate Moderate
- Calcium citrate + Etidronate Moderate
- Calcium gluconate + Etidronate Moderate
Frequently asked questions
Can I take Etidronate with Sodium citrate / citric acid?
MediHelp rates the interaction as minor. Etidronate and Sodium citrate / citric acid have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Oral citrate-containing solutions may reduce etidronate absorption if taken together. The clinical impact is likely small but could weaken the response.
How serious is the interaction between Etidronate and Sodium citrate / citric acid?
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 etidronate on an empty stomach and separate oral citrate preparations by about 2 hours.
What other medicines interact with Etidronate?
MediHelp also lists interactions of Etidronate with, for example, Aluminum hydroxide, Calcium acetate, Calcium carbonate. The full list is on the Etidronate page.
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