Pocket Pet · Cavia porcellus · typical adult weight 0.70–1.20 kg
Furosemide is dosed at 1–4 mg/kg IM q4-8h in guinea pigs, per Meredith A. BSAVA Small Animal Formulary: Part B: Exotic Pets, British Small Animal Veterinary Association, Quedgeley, Gloucester, UK; 2015. — Verified against Carpenter's Exotic Animal Formulary, 6th Ed, p.794 (2026-08-01). — Carpenter's Exotic Animal Formulary 6th ed, Table 9.5 (Cardiovascular Agents Used in Rodents). The copy held is an ebook conversion with no printed page numbers, so the table — not the page — is the citable location. — SOURCE EDITION: BSAVA Small Animal Formulary, Part B — Exotic Pets — ISBN 9781910443712, https://openlibrary.org/isbn/9781910443712; Carpenter's Exotic Animal Formulary — ISBN 9780323833929, https://openlibrary.org/isbn/9780323833929. Furosemide is used in guinea pigs for Acute respiratory distress, Pulmonary edema, fluid overload. Routes documented in guinea pigs: IM, SC. A typical adult guinea pig weighs 0.70–1.20 kg. ExoticRx lists 2 cited dose rules for Furosemide in guinea pigs, drawn from published veterinary references. Verify against current literature before clinical use.
US trade names: Lasix, Salix
| Route | Dose | Frequency | Duration | Indication | Evidence | Source |
|---|---|---|---|---|---|---|
| IM | 1–4 mg/kg | q4-8h | Emergency | Acute respiratory distress | Extrapolated | Meredith A. BSAVA Small Animal Formulary: Part B: Exotic Pets, British Small Animal Veterinary Association, Quedgeley, Gloucester, UK; 2015. — Verified against Carpenter's Exotic Animal Formulary, 6th Ed, p.794 (2026-08-01). — Carpenter's Exotic Animal Formulary 6th ed, Table 9.5 (Cardiovascular Agents Used in Rodents). The copy held is an ebook conversion with no printed page numbers, so the table — not the page — is the citable location. — SOURCE EDITION: BSAVA Small Animal Formulary, Part B — Exotic Pets — ISBN 9781910443712, https://openlibrary.org/isbn/9781910443712; Carpenter's Exotic Animal Formulary — ISBN 9780323833929, https://openlibrary.org/isbn/9780323833929 |
| SC | 1–4 mg/kg | q4-6h | As needed | Pulmonary edema, fluid overload | Extrapolated | Meredith A. BSAVA Small Animal Formulary: Part B: Exotic Pets, British Small Animal Veterinary Association, Quedgeley, Gloucester, UK; 2015. — Verified against Carpenter's Exotic Animal Formulary, 6th Ed, p.794 (2026-08-01). — Carpenter's Exotic Animal Formulary 6th ed, Table 9.5 (Cardiovascular Agents Used in Rodents). The copy held is an ebook conversion with no printed page numbers, so the table — not the page — is the citable location. — SOURCE EDITION: BSAVA Small Animal Formulary, Part B — Exotic Pets — ISBN 9781910443712, https://openlibrary.org/isbn/9781910443712; Carpenter's Exotic Animal Formulary — ISBN 9780323833929, https://openlibrary.org/isbn/9780323833929 |
Every held source for this drug and species, as printed. Where they differ, both are shown — the choice is yours, not ours.
The sources disagree for this combination. The ranges below do not overlap on a comparable route. This is not an error in one of them — published veterinary references differ, and reconciling them for a particular patient is a clinical judgement.
| Dose (mg/kg) | Route | Source | As printed |
|---|---|---|---|
| 1–4 | SC | BSAVA Small Animal Formulary, 10th ed — Part B (Exotic Pets)p.158 | 1-4 mg/kg s.c., i.m. q4-6h or 5-10 mg/kg s.c., i.m. q12h |
| 5–10 | SC | BSAVA Small Animal Formulary, 10th ed — Part B (Exotic Pets)p.158 | 1-4 mg/kg s.c., i.m. q4-6h or 5-10 mg/kg s.c., i.m. q12h |
| 1–5 | PO | Carpenter's Exotic Animal Formulary, 6th edTable 9.5 | 1-5 mg/kg PO, SC, IM q12- 24h,47 |
| 1–4 | SC |
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These ranges are per kg. Enter your guinea pig's weight to get the precise dose and draw-up volume — unit and concentration math done for you.
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.
Species-specific contraindications and adverse-reaction reports for guinea pigs may differ from canine / feline reference data — consult the primary citations listed with each rule.
Furosemide dose ranges in guinea pigs, with cited source references: IM 1–4 mg/kg q4-8h; SC 1–4 mg/kg q4-6h. Reference ranges from cited sources — verify against current literature before clinical use.
Documented routes for Furosemide in guinea pigs: IM, SC.
Cited course lengths for Furosemide in guinea pigs include: Emergency; As needed. Duration depends on the indication — match it to the specific dose rule in the table above.
Furosemide is indicated in guinea pigs for: Acute respiratory distress, Pulmonary edema, fluid overload.
These are general warnings for Furosemide across species; consult the guinea pig dosing table above for species-specific guidance. Monitor electrolytes (hypokalemia, hyponatremia). Ototoxicity at high IV doses. Dehydration risk. May worsen renal azotemia. Adjust dose based on clinical response.
Why a species-specific page? Furosemide pharmacokinetics differ across species: dose ranges, intervals, and route preferences are not interchangeable. Cross-extrapolation from canine doses is unsafe in guinea pigs — the rules above are the citations specific to this species, not generic recommendations.
Sourced from published veterinary references; awaiting credentialed clinical reviewer. See our editorial process. Reference only — not veterinary advice.
| Carpenter's Exotic Animal Formulary, 6th edTable 9.5 |
| 1-4 mg/kg SC, IM q4-6h or 5-10 mg/kg SC, IM q12h |
| 5–10 | SC | Carpenter's Exotic Animal Formulary, 6th edTable 9.5 | 1-4 mg/kg SC, IM q4-6h or 5-10 mg/kg SC, IM q12h |
Figures are transcribed from the cited page or table of each held edition and are shown for reference only. They are not dose recommendations, they do not feed the calculator, and none has been reviewed by a veterinarian.