Drug interactions
Cefdinir + Chloramphenicol
Severity: Minor
Cefdinir and Chloramphenicol: 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
Chloramphenicol is bacteriostatic and may theoretically blunt the activity of beta-lactams, which depend on actively dividing bacteria. Clinical evidence of reduced cefdinir efficacy is limited and mostly extrapolated from in vitro data.
What this interaction means in plain words
Cefdinir and Chloramphenicol have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Cefdinir belongs to Anti Bacterial; Chloramphenicol belongs to Anti Bacterial.
Why it happens
Pharmacodynamic antagonism between a bacteriostatic protein synthesis inhibitor and a cell-wall-active bactericidal agent.
What to do
Avoid combining unless clearly needed; if both are used, monitor clinical response and consider an alternative regimen in severe infections.
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 Cefdinir
- Aluminum hydroxide + Cefdinir Moderate
- Cefdinir + Cholera vaccine Moderate
- Cefdinir + Famotidine Moderate
- Cefdinir + Gentamicin Moderate
- Cefdinir + Microbiota Moderate
- Cefdinir + Nizatidine Moderate
Other interactions of Chloramphenicol
Frequently asked questions
Can I take Cefdinir with Chloramphenicol?
MediHelp rates the interaction as minor. Cefdinir and Chloramphenicol have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Chloramphenicol is bacteriostatic and may theoretically blunt the activity of beta-lactams, which depend on actively dividing bacteria. Clinical evidence of reduced cefdinir efficacy is limited and mostly extrapolated from in vitro data.
How serious is the interaction between Cefdinir and Chloramphenicol?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid combining unless clearly needed; if both are used, monitor clinical response and consider an alternative regimen in severe infections.
What other medicines interact with Cefdinir?
MediHelp also lists interactions of Cefdinir with, for example, Aluminum hydroxide, Cholera vaccine, Famotidine. The full list is on the Cefdinir page.
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