About cefdinir
Third-generation cephalosporin antibiotic
Used for
- Treats certain bacterial infections, including ear, throat, sinus, skin, and respiratory infections.
Usual adult dose
Usually 300 mg every 12 hours or 600 mg once daily, for 5–10 days, depending on infection.
Usual dose in children
For children 6 months and older: usually 7 mg/kg every 12 hours or 14 mg/kg once daily, up to 600 mg daily; duration depends on infection.
Common side effects
- Diarrhea
- Nausea or vomiting
- Headache
- Rash
Important warnings
- Does not treat viral infections such as colds or flu.
- Tell clinicians about serious penicillin or cephalosporin allergies.
- Dose adjustment may be needed with reduced kidney function.
- Iron supplements and aluminum- or magnesium-containing antacids can reduce absorption; separate doses.
Pregnancy
Available evidence has not identified a clear pregnancy-related risk; use when clinically needed.
Breastfeeding
Small amounts may enter breast milk; monitor infants for diarrhea or rash.
Interactions
- Iron supplements and iron-containing vitamins reduce absorption.
- Aluminum- or magnesium-containing antacids reduce absorption.
- Probenecid may increase cefdinir levels.
- May cause a false-positive urine glucose test with some methods.
AI-generated from general medical knowledge, not from this product's official leaflet. It may be incomplete or out of date. Not medical advice — ask a pharmacist or doctor before making any decision.