ExoticRx · exoticrx.com/drugs/metoprolol
US brand names:Lopressor, Toprol-XL
Metoprolol is dosed at 0.5–2 mg/kg PO q8-12h in cats, per Plumb's Veterinary Drug Handbook, 9th Ed. Verify against current literature before clinical use.
Cardioselective beta-1 adrenergic receptor antagonist that reduces heart rate, contractility, and AV conduction.
Avoid abrupt withdrawal. May worsen heart failure initially. Use cautiously in diabetic patients as it may mask hypoglycemic signs.
Species references:All Cat (Domestic) drugsAll Dog (Domestic) drugs
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 2 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.
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View PlansSource citations and evidence levels available on the live page. Reference only — verify against current literature before clinical use.