Cefdinir

Pronounced sef-DIN-er

Brand names: Omnicef

Type: Cephalosporin antibiotic · All Antibiotics & Infection Medicines

What Cefdinir is used for

  • Ear infections in children
  • Sinus infections
  • Bronchitis and pneumonia
  • Strep throat

◆ Kidney note

Dose is given less often when kidney function is significantly reduced.

Common side effects

  • Diarrhea
  • Nausea
  • Headache
  • Reddish stools in infants

Important cautions

  • Iron supplements and antacids can block its absorption — they are usually taken at separate times
  • People with a serious penicillin allergy should discuss alternatives

How it comes

Capsules, liquid. This guide lists forms only — it never lists strengths or doses.

Related medicines — Antibiotics & Infection Medicines

Please note: This page is a patient-education summary, not medical advice, and it deliberately contains no doses. Medicines affect everyone differently — always follow your own prescription and talk to your doctor or pharmacist before starting, stopping or changing any medicine.