ExoticRx · exoticrx.com/drugs/losartan
US brand names:Cozaar
Losartan is dosed at 0.5–1 mg/kg PO q12-24h in dogs, per Plumb's Veterinary Drug Handbook, 9th Ed. Verify against current literature before clinical use.
Selectively blocks angiotensin II type 1 (AT1) receptors. Reduces aldosterone secretion, vasoconstriction, and cardiac remodeling without affecting bradykinin.
Limited veterinary data. Alternative to ACE inhibitors for patients with ACEi-related side effects. Hyperkalemia risk. Monitor renal function.
Species references:All Dog (Domestic) drugs
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A dog/cat sample is shown here. Cited dosing for all 1 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) | PO | 0.5–1 mg/kg | q12-24h | Weak | Plumb's Veterinary Drug Handbook, 9th Ed |
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View PlansSource citations and evidence levels available on the live page. Reference only — verify against current literature before clinical use.