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Cefdinir

Generic Name: Cefdinir

Brand Names: Omnicef

Cefdinir is a third-generation cephalosporin antibiotic used for respiratory and skin infections.

AntibioticCephalosporin

What It's Used For

Cefdinir is prescribed for:

  • Community-acquired pneumonia
  • Acute sinusitis
  • Acute bronchitis exacerbations
  • Pharyngitis/tonsillitis
  • Skin infections
  • Respiratory infections

A convenient once or twice daily oral cephalosporin.

Side Effects

Common side effects:

  • Diarrhea
  • Nausea
  • Vaginal yeast infection
  • Headache

Serious side effects:

  • Allergic reactions (caution if penicillin allergy)
  • C. difficile colitis
  • Severe skin reactions

Additional Information

What is Cefdinir?

Cefdinir is an oral third-generation cephalosporin antibiotic with good gram-positive and gram-negative coverage.

Iron Interaction

Cefdinir can bind to iron, causing red-colored stools. This is harmless but can be alarming. Separate from iron supplements by 2 hours.

Cross-Reactivity

About 1-2% cross-reactivity with penicillin allergies. Use caution in patients with severe penicillin reactions.

For details, see MedlinePlus.

Medical Disclaimer: This information is for educational purposes only and should not be considered medical advice. Always consult with your healthcare provider before starting, stopping, or changing any medication. Your doctor can provide personalized recommendations based on your specific health condition and medical history.

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