Bird · Serinus canaria domestica · typical adult weight 0.01–0.03 kg
Polymyxin B is dosed at 50000 U/L drinking water PO (drinking water) Continuous in drinking water in canaries, per Johnson-Delaney CA, Harrison LR, eds. Exotic Companion Medicine Handbook for Veterinarians, Wingers Publishing, Lake Worth, FL; 1996. — Mined from Carpenter's Exotic Animal Formulary, 6th Ed, p.420 (2026-08-01, PENDING REVIEW). Polymyxin B is used in canaries for Gastrointestinal infection, gram-negative (from the agent header; the row prints no indication). Routes documented in canaries: PO (drinking water). A typical adult canary weighs 0.01–0.03 kg. ExoticRx lists 1 cited dose rule for Polymyxin B in canaries, drawn from published veterinary references. Verify against current literature before clinical use.
US trade names: Poly-Rx
| Route | Dose | Frequency | Duration | Indication | Evidence | Source |
|---|---|---|---|---|---|---|
| PO (drinking water) | 50000 U/L drinking water | Continuous in drinking water | No duration printed in the row. | Gastrointestinal infection, gram-negative (from the agent header; the row prints no indication) | Moderate | Johnson-Delaney CA, Harrison LR, eds. Exotic Companion Medicine Handbook for Veterinarians, Wingers Publishing, Lake Worth, FL; 1996. — Mined from Carpenter's Exotic Animal Formulary, 6th Ed, p.420 (2026-08-01, PENDING REVIEW) |
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Binds to lipopolysaccharide in gram-negative bacterial outer membrane causing cell lysis. Bactericidal and concentration-dependent.
Highly nephrotoxic and neurotoxic systemically. Topical use is safer. Reserve systemic use for MDR gram-negative infections.
Species-specific contraindications and adverse-reaction reports for canaries may differ from canine / feline reference data — consult the primary citations listed with each rule.
Polymyxin B dose range in canaries, with cited source references: PO (drinking water) 50000 U/L drinking water Continuous in drinking water. Reference ranges from cited sources — verify against current literature before clinical use.
Documented routes for Polymyxin B in canaries: PO (drinking water).
Cited course lengths for Polymyxin B in canaries include: No duration printed in the row.. Duration depends on the indication — match it to the specific dose rule in the table above.
Polymyxin B is indicated in canaries for: Gastrointestinal infection, gram-negative (from the agent header; the row prints no indication).
These are general warnings for Polymyxin B across species; consult the canary dosing table above for species-specific guidance. Highly nephrotoxic and neurotoxic systemically. Topical use is safer. Reserve systemic use for MDR gram-negative infections.
Why a species-specific page? Polymyxin B pharmacokinetics differ across species: dose ranges, intervals, and route preferences are not interchangeable. Cross-extrapolation from canine doses is unsafe in canaries — 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.