Drug interactions
Penicillin g + Salicylates
Severity: Minor
Penicillin g 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
Non-acetylated salicylates may displace penicillin G from plasma proteins and compete for renal tubular secretion, slightly raising penicillin levels. The clinical effect is usually small.
What this interaction means in plain words
Penicillin g 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
Competition for plasma protein binding and renal tubular organic anion secretion.
What to do
No routine adjustment is needed; monitor for penicillin adverse effects with high doses or renal impairment.
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 Penicillin g
- Amifampridine + Penicillin g Moderate
- Amiloride + Penicillin g Moderate
- Bcg vaccine live + Penicillin g Moderate
- Cholera vaccine + Penicillin g Moderate
- Colestipol + Penicillin g Moderate
- Deflazacort + Penicillin g Moderate
Frequently asked questions
Can I take Penicillin g with Salicylates?
MediHelp rates the interaction as minor. Penicillin g 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. Non-acetylated salicylates may displace penicillin G from plasma proteins and compete for renal tubular secretion, slightly raising penicillin levels. The clinical effect is usually small.
How serious is the interaction between Penicillin g 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 routine adjustment is needed; monitor for penicillin adverse effects with high doses or renal impairment.
What other medicines interact with Penicillin g?
MediHelp also lists interactions of Penicillin g with, for example, Amifampridine, Amiloride, Bcg vaccine live. The full list is on the Penicillin g page.
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