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Cefdinir

Brand: Omnicef (discontinued; generic only)

Cephalosporin antibiotic (3rd generation)Used for: Respiratory, ear, and skin infectionsAnti-Infectives

No boxed warning on the current FDA label.

Caution
Allergic reactions, with a small cross-reactivity risk after a penicillin allergy; C. difficile diarrhea.
Storage
Reconstituted suspension: room temperature, discard after 10 days.

Common side effects

  • Diarrhea
  • Nausea
  • Rash
  • Harmless reddish stool with iron

Key interactions

  • Iron and antacids reduce absorption: separate by 2 hours
  • Probenecid raises its level

Counseling points

  • Reddish stools can occur when taken with iron: harmless
  • Tell the pharmacist about any penicillin allergy
  • Complete the full course
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