A B C D E F G I K L M N O P R S T U V X Z

Cephalexin (Keflex, Rilexine)

Dosage form:

Capsules 250 mg, 500 mg; powder for oral suspension 125 mg/5 mL and 250 mg/5 mL

Pharmacological group:

First-generation cephalosporin antibiotic

Therapeutic use:

Active against some Gram-positive and Gram-negative organisms. Pseudomonas and Proteus are often resistant.

Dosage:

Dogs:
10–25 mg/kg orally every 8–12 hours; intramuscularly or subcutaneously every 24 hours
Cats:
10–25 mg/kg orally every 8–12 hours; intramuscularly or subcutaneously every 24 hours

Calculate medication dosage for pets

Select the dosage form
Weight of the animal: ?
kg
Dose: ?
mg/kg
Amount of active ingredient: ?
mg/tablet
Dry substance amount: ?
mg
Diluent volume: ?
ml
Single dose:
0
tablet

Cephalexin (Keflex, Rilexine) dosage calculation

Accurate dosing is essential when treating pets. To calculate a single dose correctly, you need three key values: the animal’s weight, the required dose of the active ingredient, and the concentration of the medication.

Calculation formula:

Single dose = (Animal weight × Required dose) ÷ Medication concentration

Important notes:

  • Always consult a veterinarian before using any medication.
  • Follow the recommended dosage and instructions for use.

Accurate dosing helps protect your pet’s health and reduces the risk of side effects.