Keflex

Effective to treat bacterial infection to alleviate illness and restore immune health.

Strengths: 250 · 500mg

Medicine details

Alternative names

Keforal

Therapeutic class

First-Generation Cephalosporin Antibiotic

Pharmacological class

Cephalosporin Antibiotic

Contraindications

hypersensitivity to cephalosporins

Minor side effects

diarrhoea; nausea

Moderate side effects

rash; vaginal discharge

Dosage forms

Capsule, hard

Administration route

Oral use

Prescription status

POM

Manufacturer

Eli Lilly

Onset Time

1 hour

Duration

6–8 hours

Storage instructions

Store below 25°C in a dry place.

Drug interactions

probenecid

Age restrictions

Commonly used in paediatric patients; follow clinical advice.

Precautions and warnings

inform your doctor before any planned surgery; complete the full course as prescribed

Serious side effects

anaphylaxis — requires immediate medical attention; severe skin reactions — requires immediate medical attention

Patient summary

Effective to treat bacterial infection to alleviate illness and restore immune health.

Mechanism of action

Cephalexin, a first-generation cephalosporin, inhibits the synthesis of the bacterial cell wall by binding to penicillin-binding proteins. This leads to the inhibition of peptidoglycan synthesis, resulting in bacterial cell death.

Pregnancy and breastfeeding

Pregnancy: Generally considered safe. Breastfeeding: Compatible with breastfeeding.

Keflex

Effective to treat bacterial infection to alleviate illness and restore immune health.

Editorial Notes

  • Active ingredient(s): Cephalexin
  • Listed indication(s): Bacterial Infection

Usually available as

  • 120 tablets - 250 mg125-250-mg-5001
  • 90 tablets - 500 mg125-500-mg-5006