Adults and Pediatric Patients at Least 15 Years of Age

The usual dose of oral KEFLEX is 250 mg every 6 hours, but a dose of 500 mg every 12 hours may be administered. Treatment is administered for 7 to 14 days.

For more severe infections larger doses of oral KEFLEX may be needed, up to 4 grams daily in two to four equally divided doses.

Pediatric Patients (over 1 year of age)

The recommended total daily dose of oral KEFLEX for pediatric patients is 25 to 50 mg/kg given in equally divided doses for 7 to 14 days. In the treatment of β-hemolytic streptococcal infections, duration of at least 10 days is recommended. In severe infections, a total daily dose of 50 to 100 mg/kg may be administered in equally divided doses.

For the treatment of otitis media, the recommended daily dose is 75 to 100 mg/kg given in equally divided doses.

Dosage Adjustments in Adult and Pediatric Patients at Least 15 Years of Age with Renal Impairment

Administer the following dosing regimens for KEFLEX to patients with renal impairment [see Warnings and Precautions (5.4) and Use in Specific Populations (8.6)].