Bird · Taeniopygia guttata · typical adult weight 0.01–0.02 kg
Trimethoprim is dosed at 10–20 mg/kg PO q8h in zebra finches, per 236. Dorrestein GM. Studies on Pharmacokinetics of Some Antibacterial Agents in Homing Pigeons (Columba livia), Thesis: Utrecht University; 1986. | 240. Dorrestein GM. Antimicrobial drug use in companion birds. In: PrescottJF, Baggot JD, Walker RD, eds. Antimicrobial Therapy in Veterinary Medicine, 3rd ed., Iowa State University Press, Ames, IA; 2000:617-636. | 585. Marx KL, Roston MA. The Exotic Animal Drug Compendium: An International Formulary, Veterinary Learning Systems, Trenton, NJ; 1996. — Source: Carpenter's Exotic Animal Formulary, 6th Ed, p.422 [DOI REMOVED w3r2 2026-08-14 - resolved at Crossref on 2026-08-14 to Flammer K, Antimicrobial Drug Use in Companion Birds, Wiley, published 2013, pages 589-600, i.e. the same-titled chapter in the FIFTH edition by a DIFFERENT author. The citation names Dorrestein GM, 3rd ed, Iowa State University Press, 2000:617-636. Author, edition, publisher, year and page range all differ, so the link opened a document that is not the cited source. Whether the 5th ed chapter carries the same figure is UNCHECKED] — Carpenter's Exotic Animal Formulary 6th ed, Table 5.1 (Antimicrobial Agents Used in Birds.a). The copy held is an ebook conversion with no printed page numbers, so the table — not the page — is the citable location. — SOURCE EDITION: Carpenter's Exotic Animal Formulary — ISBN 9780323833929, https://openlibrary.org/isbn/9780323833929. Trimethoprim is used in zebra finches for Bacteriostatic gram-positive and gram-negative cover. Routes documented in zebra finches: PO. A typical adult zebra finch weighs 0.01–0.02 kg. ExoticRx lists 1 cited dose rule for Trimethoprim in zebra finches, 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 | Bacteriostatic gram-positive and gram-negative cover | Moderate | 236. Dorrestein GM. Studies on Pharmacokinetics of Some Antibacterial Agents in Homing Pigeons (Columba livia), Thesis: Utrecht University; 1986. | 240. Dorrestein GM. Antimicrobial drug use in companion birds. In: PrescottJF, Baggot JD, Walker RD, eds. Antimicrobial Therapy in Veterinary Medicine, 3rd ed., Iowa State University Press, Ames, IA; 2000:617-636. | 585. Marx KL, Roston MA. The Exotic Animal Drug Compendium: An International Formulary, Veterinary Learning Systems, Trenton, NJ; 1996. — Source: Carpenter's Exotic Animal Formulary, 6th Ed, p.422 [DOI REMOVED w3r2 2026-08-14 - resolved at Crossref on 2026-08-14 to Flammer K, Antimicrobial Drug Use in Companion Birds, Wiley, published 2013, pages 589-600, i.e. the same-titled chapter in the FIFTH edition by a DIFFERENT author. The citation names Dorrestein GM, 3rd ed, Iowa State University Press, 2000:617-636. Author, edition, publisher, year and page range all differ, so the link opened a document that is not the cited source. Whether the 5th ed chapter carries the same figure is UNCHECKED] — Carpenter's Exotic Animal Formulary 6th ed, Table 5.1 (Antimicrobial Agents Used in Birds.a). The copy held is an ebook conversion with no printed page numbers, so the table — not the page — is the citable location. — SOURCE EDITION: Carpenter's Exotic Animal Formulary — ISBN 9780323833929, https://openlibrary.org/isbn/9780323833929 |
Every held source for this drug and species, as printed. Where they differ, both are shown — the choice is yours, not ours.
The sources disagree for this combination. The ranges below do not overlap on a comparable route. This is not an error in one of them — published veterinary references differ, and reconciling them for a particular patient is a clinical judgement.
| Dose (mg/kg) | Route | Source | As printed |
|---|---|---|---|
| 8–30 | IM | BSAVA Small Animal Formulary, 10th ed — Part B (Exotic Pets)p.305 | 8-30 mg/kg i.m. q12h or 20-100 mg/kg p.o. q12h |
| 20–100 | PO | BSAVA Small Animal Formulary, 10th ed — Part B (Exotic Pets)p.305 | 8-30 mg/kg i.m. q12h or 20-100 mg/kg p.o. q12h |
| 16–24 | PO | Carpenter's Exotic Animal Formulary, 6th edTable 5.1 | 16-24 mg/kg PO q8- 12h |
| 10–50 | PO |
Need the exact dose for your patient?
These ranges are per kg. Enter your zebra finch'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 zebra finches may differ from canine / feline reference data — consult the primary citations listed with each rule.
Trimethoprim dose range in zebra finches, 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 zebra finches: PO.
Trimethoprim is indicated in zebra finches for: Bacteriostatic gram-positive and gram-negative cover.
These are general warnings for Trimethoprim across species; consult the zebra finch 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 zebra finches — 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.
| Carpenter's Exotic Animal Formulary, 6th edTable 5.1 |
| 10-50 mg/kg PO q24h |
| 60–72 | PO | Carpenter's Exotic Animal Formulary, 6th edTable 5.1 | 60-72 mg/kg PO q12h 75 mg/kg IM q12h Mos |
| 75 | IM | Carpenter's Exotic Animal Formulary, 6th edTable 5.1 | 60-72 mg/kg PO q12h 75 mg/kg IM q12h Mos |
| 100 | PO | Carpenter's Exotic Animal Formulary, 6th edTable 5.1 | 100 mg/kg PO q12h |
| 144 | PO | Carpenter's Exotic Animal Formulary, 6th edTable 5.1 | 144 mg/kg PO q8- 12h |
| 5 | IM | Carpenter's Exotic Animal Formulary, 6th edTable 5.4 | 5 mg/kg IM q12h |
| 30 | PO | Carpenter's Exotic Animal Formulary, 6th edTable 5.4 | 30 mg/kg PO q8-12h,420 |
| 30–100 | PO | Carpenter's Exotic Animal Formulary, 6th edTable 5.4 | 30-100 mg/kg PO q12h × 7 days |
| 10–20 | PO | Carpenter's Exotic Animal Formulary, 6th edTable 5.1 | 10-20 mg/kg PO q8h,240,585 |
| 8 | SC | Carpenter's Exotic Animal Formulary, 6th edTable 5.1 | 8 mg/kg SC, IM q12h |
| Dose (mg/l) | Route | Source | As printed |
|---|---|---|---|
| 360–400 | — | Carpenter's Exotic Animal Formulary, 6th edTable 5.1 | 360-400 mg/L drinking water × 10-14 days |
Figures are transcribed from the cited page or table of each held edition and are shown for reference only. They are not dose recommendations, they do not feed the calculator, and none has been reviewed by a veterinarian.