Cephalexin for Dogs Calculator

Determine the appropriate antibiotic dose for your pet. This tool calculates the milligrams needed based on the weight of your dog and standard veterinary rates.

Canine Dosage Calculation: 1. Convert Weight: If in lbs, Weight (kg) = Weight (lbs) × 0.4536. 2. Apply Dosage Rate: Total mg = Weight (kg) × Dosage Rate (mg/kg). 3. Rounding: Meds are typically rounded to the nearest capsule size (e.g., 250mg or 500mg). Standard Vet Rates: 22 mg/kg to 30 mg/kg depending on the severity of the infection.
Scenario: A veterinarian prescribes Cephalexin for a 50 lb Golden Retriever with a skin infection at a standard rate of 22 mg/kg. Calculation: 1. Weight in kg = 50 × 0.4536 ≈ 22.68 kg. 2. Dosage = 22.68 kg × 22 mg/kg = 498.96 mg. 3. Rounding = Closest capsule size is 500 mg. Result: The recommended dose is approximately 500 mg per administration.

What is Cephalexin used for in dogs?

Cephalexin is a broad-spectrum antibiotic used to treat bacterial infections in dogs, most commonly skin infections (pyoderma), urinary tract infections, and bone infections.

What is the standard dosage of Cephalexin for dogs?

The standard dosage typically ranges from 10 to 15 mg per pound (22 to 33 mg/kg) of body weight, administered every 8 to 12 hours.

Can I give my dog human Cephalexin?

While the active ingredient is the same, you should never give your dog medication without veterinary supervision. Human capsules may contain doses too high for small dogs or inactive ingredients that are unsafe for pets.

What are the side effects of Cephalexin?

Common side effects include vomiting, diarrhea, and loss of appetite. If your dog shows signs of an allergic reaction (swelling, hives, difficulty breathing), contact a vet immediately.

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