Bird · Columba livia domestica · typical adult weight 0.30–0.50 kg
Trimethoprim is dosed at 10–20 mg/kg PO q8h in domestic pigeons, per 236. Dorrestein GM. Studies on Pharmacokinetics of Some Antibacterial Agents in Homing Pigeons (Columba livia), Thesis: Utrecht University; 1986. — Mined from Carpenter's Exotic Animal Formulary, 6th Ed, p.422 (2026-08-01, PENDING REVIEW). Trimethoprim is used in domestic pigeons for Bacterial infection. Routes documented in domestic pigeons: PO. A typical adult domestic pigeon weighs 0.30–0.50 kg. ExoticRx lists 1 cited dose rule for Trimethoprim in domestic pigeons, drawn from published veterinary references. Verify against current literature before clinical use.
US trade names: Tribrissen
| Route | Dose | Frequency | Indication | Evidence | Source |
|---|---|---|---|---|---|
| PO | 10–20 mg/kg | q8h | Bacterial infection | Moderate | 236. Dorrestein GM. Studies on Pharmacokinetics of Some Antibacterial Agents in Homing Pigeons (Columba livia), Thesis: Utrecht University; 1986. — 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 domestic pigeon's weight to get the precise dose and draw-up volume — unit and concentration math done for you.
Inhibits dihydrofolate reductase (DHFR) in folate synthesis pathway. Synergistic bactericidal activity when combined with sulfonamides.
Almost always used in combination with a sulfonamide. Folate supplementation recommended in cats and during pregnancy. KCS risk in dogs.
Species-specific contraindications and adverse-reaction reports for domestic pigeons may differ from canine / feline reference data — consult the primary citations listed with each rule.
Trimethoprim dose range in domestic pigeons, with cited source references: PO 10–20 mg/kg q8h. Reference ranges from cited sources — verify against current literature before clinical use.
Documented routes for Trimethoprim in domestic pigeons: PO.
Trimethoprim is indicated in domestic pigeons for: Bacterial infection.
These are general warnings for Trimethoprim across species; consult the domestic pigeon dosing table above for species-specific guidance. Almost always used in combination with a sulfonamide. Folate supplementation recommended in cats and during pregnancy. KCS risk in dogs.
Why a species-specific page? Trimethoprim pharmacokinetics differ across species: dose ranges, intervals, and route preferences are not interchangeable. Cross-extrapolation from canine doses is unsafe in domestic pigeons — 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.