Bird · Cacatua alba · typical adult weight 0.40–0.70 kg
Trimethoprim-Sulfamethoxazole is dosed at 100 mg/kg PO q12h in umbrella cockatoos, per 59. Bauck L, Hoefer HL. Avian antimicrobial therapy. Semin Avian Exot Pet Med. 1993;2:17-22. — Mined from Carpenter's Exotic Animal Formulary, 6th Ed, p.422 (2026-08-01, PENDING REVIEW). Trimethoprim-Sulfamethoxazole is used in umbrella cockatoos for Broad-spectrum potentiated sulfonamide. Routes documented in umbrella cockatoos: PO. A typical adult umbrella cockatoo weighs 0.40–0.70 kg. ExoticRx lists 1 cited dose rule for Trimethoprim-Sulfamethoxazole in umbrella cockatoos, drawn from published veterinary references. Verify against current literature before clinical use.
US trade names: Bactrim, TMS
| Route | Dose | Frequency | Indication | Evidence | Source |
|---|---|---|---|---|---|
| PO | 100 mg/kg | q12h | Broad-spectrum potentiated sulfonamide | Weak | 59. Bauck L, Hoefer HL. Avian antimicrobial therapy. Semin Avian Exot Pet Med. 1993;2:17-22. — Mined from Carpenter's Exotic Animal Formulary, 6th Ed, p.422 (2026-08-01, PENDING REVIEW) |
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These ranges are per kg. Enter your umbrella cockatoo's weight to get the precise dose and draw-up volume — unit and concentration math done for you.
Sequential blockade of folate synthesis: sulfamethoxazole inhibits dihydropteroate synthase; trimethoprim inhibits dihydrofolate reductase.
May cause keratoconjunctivitis sicca (KCS) in dogs with prolonged use. Can cause bone marrow suppression. Avoid in animals with hepatic disease. Adequate hydration required.
Species-specific contraindications and adverse-reaction reports for umbrella cockatoos may differ from canine / feline reference data — consult the primary citations listed with each rule.
Trimethoprim-Sulfamethoxazole dose range in umbrella cockatoos, with cited source references: PO 100 mg/kg q12h. Reference ranges from cited sources — verify against current literature before clinical use.
Documented routes for Trimethoprim-Sulfamethoxazole in umbrella cockatoos: PO.
Trimethoprim-Sulfamethoxazole is indicated in umbrella cockatoos for: Broad-spectrum potentiated sulfonamide.
These are general warnings for Trimethoprim-Sulfamethoxazole across species; consult the umbrella cockatoo dosing table above for species-specific guidance. May cause keratoconjunctivitis sicca (KCS) in dogs with prolonged use. Can cause bone marrow suppression. Avoid in animals with hepatic disease. Adequate hydration required.
Why a species-specific page? Trimethoprim-Sulfamethoxazole pharmacokinetics differ across species: dose ranges, intervals, and route preferences are not interchangeable. Cross-extrapolation from canine doses is unsafe in umbrella cockatoos — 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.