Dog Prednisone Dosage

Estimate prednisone dosage guidelines for dogs.

Estimated Daily Dosage:

CRITICAL WARNING: This is a mathematical estimation only. Steroids MUST be prescribed by a vet. Never stop abruptly; tapering is required to prevent adrenal crisis.

Understanding Prednisone Therapy in Dogs

Prednisone and Prednisolone are synthetic corticosteroids used to treat a wide variety of conditions in dogs. They mimic the effects of hormones produced by the adrenal glands (cortisol) and can be life-saving drugs when used correctly.

Dosage Levels Explained

Unlike many antibiotics where the dose is fixed, steroid dosing depends entirely on what you are trying to achieve:

1. Physiological Replacement (Low Dose)

Goal: To replace cortisol in dogs that cannot produce it themselves (e.g., Addison's Disease).

Typical Dose: 0.1 to 0.25 mg/kg per day.

2. Anti-Inflammatory (Medium Dose)

Goal: To reduce swelling, itching, and pain associated with allergies, arthritis, or minor injuries.

Typical Dose: 0.5 to 1.0 mg/kg per day.

3. Immunosuppressive (High Dose)

Goal: To shut down the immune system when it is attacking the body's own cells (e.g., IMHA, Lupus).

Typical Dose: 2.0 to 4.0 mg/kg per day.

Side Effects to Watch For

Short-term use usually has mild side effects, but high doses or long-term use can cause significant issues:

The "3 Ps": Polydipsia (thirst), Polyuria (urination), and Polyphagia (hunger). Your dog will drink, pee, and eat significantly more.
Panting: Steroids can cause increased panting and potential behavior changes (irritability).
GI Upset: Vomiting or diarrhea (especially if given on an empty stomach).

The Importance of Tapering

NEVER stop Prednisone abruptly. Because the drug provides synthetic cortisol, your dog's adrenal glands stop producing their own. If you stop the drug suddenly, the body has no source of cortisol, leading to an **Adrenal Crisis** (which can be fatal). Vets will prescribe a tapering schedule (e.g., once a day, then every other day) to allow the adrenal glands to "wake up" and resume production.

Drug Interactions

NEVER give Prednisone with NSAIDs (like Rimadyl, Carprofen, Metacam, or aspirin). The combination can cause severe stomach ulcers and gastrointestinal perforation. Always tell your vet what medications your dog is currently taking.