Reptile · Pogona vitticeps · typical adult weight 0.38–0.51 kg
Trimethoprim-Sulfamethoxazole is dosed at 15–25 mg/kg/day IM q24h for 7 to 14 days in bearded dragons, per Plumb's Veterinary Drug Handbook, 9th ed., Sulfa-/Trimethoprim monograph, REPTILES section entry c), printed p.1196 (corpus PDF p.1223), superscript 46 → Lewbart. Reptile formulary. Presented at: Atlantic Coast Veterinary Conference; 2001. Trimethoprim-Sulfamethoxazole is used in bearded dragons for Bacterial infections, Bacterial infections, coccidia. Routes documented in bearded dragons: IM, PO. A typical adult bearded dragon weighs 0.38–0.51 kg. ExoticRx lists 2 cited dose rules for Trimethoprim-Sulfamethoxazole in bearded dragons, drawn from published veterinary references. Verify against current literature before clinical use.
US trade names: Bactrim, TMS
| Route | Dose | Frequency | Duration | Indication | Evidence | Source |
|---|---|---|---|---|---|---|
| IM | 15–25 mg/kg/day | q24h for 7 to 14 days | 7-14 days | Bacterial infections | Extrapolated | Plumb's Veterinary Drug Handbook, 9th ed., Sulfa-/Trimethoprim monograph, REPTILES section entry c), printed p.1196 (corpus PDF p.1223), superscript 46 → Lewbart. Reptile formulary. Presented at: Atlantic Coast Veterinary Conference; 2001 |
| PO | 15–25 mg/kg | q24h | 7-14 days | Bacterial infections, coccidia | Extrapolated | Gibbons PM, Klaphake E, Carpenter JW. Reptiles. In: Carpenter JW, ed. Exotic Animal Formulary. 4th ed. St. Louis: Elsevier; 2013:83-182. — Verified against Mader's Reptile and Amphibian Medicine and Surgery, 3rd Ed, p.1404 (2026-08-01). |
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These ranges are per kg. Enter your bearded dragon'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 bearded dragons may differ from canine / feline reference data — consult the primary citations listed with each rule.
Trimethoprim-Sulfamethoxazole dose ranges in bearded dragons, with cited source references: IM 15–25 mg/kg/day q24h for 7 to 14 days; PO 15–25 mg/kg q24h. Reference ranges from cited sources — verify against current literature before clinical use.
Documented routes for Trimethoprim-Sulfamethoxazole in bearded dragons: IM, PO.
Cited course lengths for Trimethoprim-Sulfamethoxazole in bearded dragons include: 7-14 days. Duration depends on the indication — match it to the specific dose rule in the table above.
Trimethoprim-Sulfamethoxazole is indicated in bearded dragons for: Bacterial infections, Bacterial infections, coccidia.
These are general warnings for Trimethoprim-Sulfamethoxazole across species; consult the bearded dragon 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 bearded dragons — 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.