About cephalexin monohydr ate
First-generation cephalosporin antibiotic
Used for
- Treats susceptible bacterial infections, including skin, throat, ear, and urinary infections.
Usual adult dose
Often 250–500 mg every 6 hours, depending on infection; follow the prescribed course.
Usual dose in children
Usually 25–50 mg/kg daily in divided doses; severe infections may need higher doses.
Common side effects
- Diarrhea
- Nausea or vomiting
- Abdominal discomfort
- Rash
Important warnings
- Not effective against viral infections such as colds or flu.
- Tell clinicians about serious cephalosporin or penicillin allergy.
- Dose may need adjustment with kidney problems.
- Seek urgent care for severe diarrhea or allergic symptoms.
Pregnancy
Generally considered usable when clinically needed; available human data have not shown a clear increased risk.
Breastfeeding
Usually compatible; small amounts enter milk. Monitor infants for diarrhea, thrush, or rash.
Interactions
- Probenecid can increase cephalexin levels.
- Metformin levels may rise.
- Warfarin effects may increase; monitoring may be needed.
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 It may be incomplete or out of date.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.