Drug interactions
Cefdinir + Sodium bicarbonate
Severity: Minor
Cefdinir and Sodium bicarbonate: 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
Antacids raise gastric pH and may modestly reduce oral cefdinir absorption. Reduced exposure could lower antibacterial effectiveness.
What this interaction means in plain words
Cefdinir and Sodium bicarbonate 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; Sodium bicarbonate belongs to Gastrointestinal Tract.
Why it happens
Raised gastric pH reduces cefdinir absorption.
What to do
Give cefdinir at least 2 hours before or after sodium bicarbonate.
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 Sodium bicarbonate
- Acetylsalicylic acid + Sodium bicarbonate Moderate
- Alendronate + Sodium bicarbonate Moderate
- Amantadine + Sodium bicarbonate Moderate
- Carbonyl iron + Sodium bicarbonate Moderate
- Cefditoren + Sodium bicarbonate Moderate
- Cefpodoxime + Sodium bicarbonate Moderate
Frequently asked questions
Can I take Cefdinir with Sodium bicarbonate?
MediHelp rates the interaction as minor. Cefdinir and Sodium bicarbonate have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Antacids raise gastric pH and may modestly reduce oral cefdinir absorption. Reduced exposure could lower antibacterial effectiveness.
How serious is the interaction between Cefdinir and Sodium bicarbonate?
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 cefdinir at least 2 hours before or after sodium bicarbonate.
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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