Cloxacillin Dosage
This dosage information may not include all the information needed to use Cloxacillin safely and effectively. See additional information for Cloxacillin.
The information at Drugs.com is not a substitute for medical advice. ALWAYS consult your doctor or pharmacist.
Usual Adult Dose for:
Usual Pediatric Dose for:
Additional dosage information:
Usual Adult Dose for Upper Respiratory Tract Infection
250 mg orally every 6 hours for 7 to 14 days, depending on the nature and severity of the infection.
Maximum dose: 4 g/day.
Usual Adult Dose for Pneumonia
500 mg orally every 6 hours for up to 21 days, depending on the nature and severity of the infection.
Maximum dose: 4 g/day.
Usual Adult Dose for Skin and Structure Infection
500 mg orally every 6 hours for 7 days, or until 3 days after acute inflammation resolves, depending on the nature and severity of the infection.
Maximum dose: 4 g/day.
Usual Adult Dose for Cystitis
250 mg orally every 6 hours for 3 to 7 days, depending on the nature and severity of the infection. Cloxacillin is rarely indicated for the treatment of cystitis.
Maximum dose: 4 g/day.
Usual Pediatric Dose for Pneumonia
The safety and efficacy of cloxacillin in children < 1 year have not been established.
>= 1 year to 18 years: 50 to 100 mg/kg/day orally divided every 6 hours.
Maximum dose: 4 g/day.
Usual Pediatric Dose for Upper Respiratory Tract Infection
The safety and efficacy of cloxacillin in children < 1 year have not been established.
>= 1 year to 18 years: 50 to 100 mg/kg/day orally divided every 6 hours.
Maximum dose: 4 g/day.
Usual Pediatric Dose for Skin and Structure Infection
The safety and efficacy of cloxacillin in children < 1 year have not been established.
>= 1 year to 18 years: 50 to 100 mg/kg/day orally divided every 6 hours.
Maximum dose: 4 g/day.
Other Comments
Cloxacillin is best absorbed when administered on an empty stomach, preferably 1 to 2 hours before meals.
