ExoticRx · exoticrx.com/drugs/furosemide
US brand names:Lasix, Salix
Also known as: Frusemide
Furosemide is dosed at 2–5 mg/kg PO, IM, IV q12-24h in ball pythons, per Jepson L. Snakes. Exotic Animal Medicine: A Quick Reference Guide, Saunders/Elsevier, Philadelphia, PA; 2009:315-357. — Source: Carpenter's Exotic Animal Formulary, 6th Ed, p.273 — Carpenter's Exotic Animal Formulary 6th ed, Table 4.11 (Miscellaneous Agents Used in Reptiles). The copy held is an ebook conversion with no printed page numbers, so the table — not the page — is the citable location. — SOURCE EDITION: Carpenter's Exotic Animal Formulary — ISBN 9780323833929, https://openlibrary.org/isbn/9780323833929. Verify against current literature before clinical use.
Inhibits sodium-potassium-chloride cotransporter (NKCC2) in the thick ascending limb of the loop of Henle, producing potent diuresis.
Monitor electrolytes (hypokalemia, hyponatremia). Ototoxicity at high IV doses. Dehydration risk. May worsen renal azotemia. Adjust dose based on clinical response.
Each ExoticRx dose rule is graded by the strength of its primary evidence — see the editorial process.
A dog/cat sample is shown here. Cited dosing for all 28 species — reptiles, birds, pocket pets, livestock, and equine — is free on the per-species pages above. Pro adds the weight-based calculator for every species.
| Species | Route | Dose | Frequency | Evidence | Source |
|---|---|---|---|---|---|
| Dog (Domestic) | IM | 2–4 mg/kg | q6-8h | Strong | Keene BW, Atkins CE, Bonagura JD, et al. ACVIM consensus guidelines for the diagnosis and treatment of myxomatous mitral valve disease in dogs. J Vet Intern Med. 2019;33:1127-1140. doi:10.1111/jvim.15488 — Verified against Plumb's Veterinary Drug Handbook, 10th Ed, p.592 (2026-08-01). — Plumb's 10th ed (held) printed p.563, Furosemide monograph spanning p.563-567; page located 2026-08-05 from the book's own running heads, verified to name the drug in its body text. — SOURCE EDITION: Plumb's Veterinary Drug Handbook — ISBN 9781394172207, https://openlibrary.org/isbn/9781394172207 |
| Dog (Domestic) | PO | 2–4 mg/kg | q8-12h | Strong |
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View PlansSource citations and evidence levels available on the live page. Reference only — verify against current literature before clinical use.
Species references:All African Grey Parrot drugsAll African Pygmy Hedgehog drugsAll Ball Python drugsAll Bearded Dragon drugsAll Blue-and-Gold Macaw drugsAll Blue-tongue Skink drugsAll Cat (Domestic) drugsAll Chinchilla drugsAll Corn Snake drugsAll Crested Gecko drugsAll Degu drugsAll Dog (Domestic) drugsAll Dwarf Hamster drugsAll Ferret drugsAll Great Horned Owl drugsAll Guinea Pig drugsAll Harris Hawk drugsAll Horse (Equine) drugsAll Mouse drugs