Cefalexin (Keflex) Pediatric Dose Calculator

Choose a medication or enter a prescribed dose. Confirm the patient and formulation before calculating.

Patient information

Shared across calculations.

Medications

Confirm the strength on the actual product.

Dose in the existing record: 50 mg/kg/day

Standard dosing for most infections

Medication notes and source

First-generation cephalosporin antibiotic. Excellent for skin and soft tissue infections, including cellulitis and wound infections. Shake suspension well before each dose. Refrigeration recommended. Complete full course even if symptoms improve early.

Open source reference
About this medication and its sources

About Cefalexin (Keflex) Pediatric Dose Calculator

This page opens the calculator with Cefalexin (Keflex) selected. Enter the patient's weight and confirm the concentration, frequency, indication, and dose limits before using any result.

Required Inputs

  • Current weight and correct unit.
  • Available concentration.
  • Prescribed frequency.
  • Duration when applicable.

References and Limits

First-generation cephalosporin antibiotic. Excellent for skin and soft tissue infections, including cellulitis and wound infections. Shake suspension well before each dose. Refrigeration recommended. Complete full course even if symptoms improve early.

Confirm the indication, allergies, concentration, units, renal function, maximum dose, and local protocol with a healthcare professional.

Interpret results as a structured aid for reviewing clinical data, not as an automatic answer. If the output does not match the exam, repeat the measurement, review units, and confirm that the age or date used is correct.

For follow-up, compare results with prior measurements and document the reference source used. Important changes, extreme values, or therapeutic decisions should be evaluated with current guidelines and professional judgment.

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