Disclaimer: This chart provides approximate dosages. Always consult your pediatrician for precise instructions tailored to your child’s specific weight, condition, and potential drug interactions. This information is not a substitute for professional medical advice.
Note: Keflex (cephalexin) is typically administered orally every 6-8 hours. Dosage is usually calculated based on weight in milligrams per kilogram (mg/kg).
Infants (Birth to 6 Months): A typical starting dosage ranges from 25-50 mg/kg/day, divided into doses. Your doctor will determine the appropriate dose for your baby.
Children (6 Months to 12 Years): The usual starting dosage is 25-50 mg/kg/day. This is often split into two or three doses daily, depending on the severity of the infection.
Children (12 Years and Older): Dosage may be calculated based on the adult recommendation, often 250-500 mg every 6 hours, or as directed by a physician. Your doctor will adjust the dosage based on their specific needs.
Common Dosage Forms: Keflex is available in various forms including capsules, tablets, and suspensions. Liquid suspensions are commonly used for younger children to make administration easier.
Always carefully follow your doctor’s instructions. Immediately report any adverse reactions or side effects.


