Quinidine, Quinidine Sulfate Dosage Calculator

Quinidine Dosage for Dogs, Cats, Horses, Cattle By Weight
Trade Names: Duraquin, Cardioquin, Cin-Quin, Quinora, Quinidine gluconate, Quinidine polygalacturonate, Quinidine sulfate
Functional classification: Antiarrhythmic

Quinidine Dosing for Dogs, Cats, Horses, Cattle By Weight

Important Safety Information

Do not exceed total dose of 10 mg/kg when administering IV to horses. Quinidine is poorly absorbed orally in cattle and must be given IV.

Use with caution in animals with cardiovascular disease, liver impairment, or renal dysfunction.

Reference Source

Saunders Handbook of VETERINARY DRUGS, Page 727-728

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Standard Dosage Guidelines

Small Animal Dosage

Species Route Dosage Frequency
Dogs IM 6-20 mg/kg q6h
PO 6-20 mg/kg q6-8h
IV 5-10 mg/kg q6h
Cats IM 6-20 mg/kg q6h
PO 6-20 mg/kg q6-8h
IV 5-10 mg/kg q6h

Large Animal Dosage

Species Route Dosage Frequency
Horses PO 11.1-22.2 mg/kg Every 2 hours until sinus rate achieved
IV 1-1.5 mg/kg Every 10-15 min to total 10 mg/kg
Cattle IV 40-49 mg/kg Loading dose over 4 hours, then maintenance