ExoticRx · exoticrx.com/drugs/fosfomycin-tromethamine
US brand names:Monurol
Fosfomycin Tromethamine is dosed at 40–80 mg/kg PO q8h in cats, per Plumb's Veterinary Drug Handbook, 9th Ed. Verify against current literature before clinical use.
Inhibits MurA (enolpyruvyl transferase), the first step in peptidoglycan synthesis. Unique mechanism with no cross-resistance.
Single-dose for uncomplicated UTI. GI upset (diarrhea). Resistance can develop rapidly — avoid monotherapy for serious infections.
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.