Drug interactions
Aspirin / citric acid / sodium bicarbonate + Oxacillin
Severity: Minor
Aspirin / citric acid / sodium bicarbonate and Oxacillin: 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
The aspirin in this effervescent product can compete with oxacillin for renal tubular secretion and albumin binding, which may modestly increase penicillin exposure. These products often contain analgesic-dose aspirin, so the effect may be somewhat more noticeable than with low-dose aspirin. The clinical effect is generally small.
What this interaction means in plain words
Aspirin / citric acid / sodium bicarbonate and Oxacillin 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
Salicylate competes with oxacillin for renal tubular secretion and plasma protein binding.
What to do
No routine adjustment is needed for short-term use. Monitor for oxacillin adverse effects in patients with renal impairment or receiving high oxacillin doses.
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 Oxacillin
- Bcg vaccine live + Oxacillin Moderate
- Chloramphenicol + Oxacillin Moderate
- Cholera vaccine + Oxacillin Moderate
- Demeclocycline + Oxacillin Moderate
- Doxycycline + Oxacillin Moderate
- Microbiota + Oxacillin Moderate
Frequently asked questions
Can I take Aspirin / citric acid / sodium bicarbonate with Oxacillin?
MediHelp rates the interaction as minor. Aspirin / citric acid / sodium bicarbonate and Oxacillin have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. The aspirin in this effervescent product can compete with oxacillin for renal tubular secretion and albumin binding, which may modestly increase penicillin exposure. These products often contain analgesic-dose aspirin, so the effect may be somewhat more noticeable than with low-dose aspirin. The clinical effect is generally small.
How serious is the interaction between Aspirin / citric acid / sodium bicarbonate and Oxacillin?
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 routine adjustment is needed for short-term use. Monitor for oxacillin adverse effects in patients with renal impairment or receiving high oxacillin doses.
What other medicines interact with Oxacillin?
MediHelp also lists interactions of Oxacillin with, for example, Bcg vaccine live, Chloramphenicol, Cholera vaccine. The full list is on the Oxacillin page.
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