MSD Manual

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Dosages of Diuretics

Dosages of Diuretics

Drug

Dosage

Furosemide

4–6 mg/kg IV, IM, or SC, as needed for acute therapy

Dogs: 2–4 mg/kg, PO, once to three times daily

Cats:1–2 mg/kg, PO, once or twice daily

Large animals: 0.5–1 mg/kg/day, IV or IM

Hydrochlorothiazide

Dogs and cats: 2–4 mg/kg, PO, once or twice daily

Chlorothiazide

Dogs and cats: 20–40 mg/kg, PO, once or twice daily

Spironolactone

Dogs: 2–4 mg/kg, PO, bid

Mannitol

0.25–0.5 g/kg, IV

Dimethyl sulfoxide

Large animals: 1 g/kg, IV or via nasogastric tube