Drug interactions
Penicillamine + Sodium citrate / citric acid
Severity: Minor
Penicillamine 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
Citrate-containing antacid solutions may reduce penicillamine absorption when taken together. Evidence is limited and the effect is likely modest.
What this interaction means in plain words
Penicillamine 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
Possible reduced absorption through altered gastric conditions; not well characterized.
What to do
Separate doses by at least 2 hours and monitor clinical response.
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 Penicillamine
- Gold sodium thiomalate + Penicillamine Major
- Aluminum hydroxide + Penicillamine Moderate
- Calcium carbonate + Penicillamine Moderate
- Calcium + Penicillamine Moderate
- Carbonyl iron + Penicillamine Moderate
- Copper + Penicillamine Moderate
Frequently asked questions
Can I take Penicillamine with Sodium citrate / citric acid?
MediHelp rates the interaction as minor. Penicillamine 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. Citrate-containing antacid solutions may reduce penicillamine absorption when taken together. Evidence is limited and the effect is likely modest.
How serious is the interaction between Penicillamine 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: Separate doses by at least 2 hours and monitor clinical response.
What other medicines interact with Penicillamine?
MediHelp also lists interactions of Penicillamine with, for example, Gold sodium thiomalate, Aluminum hydroxide, Calcium carbonate. The full list is on the Penicillamine page.
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