Dexamethasone Dosage Calculator

Dexamethasone Dosage for Dogs, Cats, Horses, Cattle, Sheep By Weight
Trade Names: Azium solution in polyethylene glycol, DexaJect, Dexavet, Decadron, Dexasone, Voren suspension, and generic brands
Functional classification: Corticosteroid
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Dexamethasone Dosing for Dogs, Cats, Horses, Cattle, Sheep By Weight

Important Safety Information

Use with caution in animals with diabetes, cardiovascular disease, or infections. Monitor for side effects including polyuria, polydipsia, and immunosuppression.

For induction of parturition in cattle, may be administered concurrently with prostaglandin PG-F2 alpha (0.5 mg/animal).

Reference Source

Saunders Handbook of VETERINARY DRUGS, Page 244-246

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Standard Dosage Guidelines

Small Animal Dosage

Species Purpose Route Dosage Frequency
Dogs Anti-inflammatory IV, IM, PO 0.07-0.15 mg/kg q12-24h
Immunosuppressive IV, IM, PO 0.125-0.25 mg/kg q24h
Pulse dose PO 0.5 mg/kg 4 consecutive days, repeat q28d
Low-dose suppression test IV 0.01 mg/kg Single dose
High-dose suppression test IV 0.1 mg/kg Single dose
Dexamethasone-21-isonicotinate IM 0.03-0.05 mg/kg Single dose
Cats Anti-inflammatory IV, IM, PO 0.15 mg/kg q12-24h
Immunosuppressive IV, IM, PO 0.125-0.25 mg/kg q24h
Pulse dose PO 0.5 mg/kg 4 consecutive days, repeat q28d
Oral maintenance PO 0.1-0.2 mg/kg q24h, then 0.05 mg/kg q48-72h
Low-dose suppression test IV 0.1 mg/kg Single dose
High-dose suppression test IV 1.0 mg/kg Single dose
Dexamethasone-21-isonicotinate IM 0.03-0.05 mg/kg Single dose

Large Animal Dosage

Species Purpose Route Dosage Frequency
Horses General treatment IV, IM 0.04-0.15 mg/kg q24h
RAO treatment IV, IM 0.05-0.1 mg/kg q24h for 2-3 days
RAO treatment