Trimethoprim for Ball Python
Reptile · Python regius · typical adult weight 1.00–2.00 kg
Trimethoprim is used in ball python for Bacterial infections. Routes documented in ball python: PO. A typical adult ball python weighs 1.00–2.00 kg. ExoticRx lists 1 cited dose rule for Trimethoprim in ball python, drawn from published veterinary references. Verify against current literature before clinical use.
Trade names: Tribrissen
Dose ranges
| Route | Dose | Frequency | Duration | Indication | Evidence | Source |
|---|---|---|---|---|---|---|
| PO | 15–25 mg/kg | q24-48h | 7-14 days | Bacterial infections | Weak | Carpenter's Exotic Animal Formulary, 6th Ed |
Need the exact dose for your patient?
These ranges are per kg. Enter your ball python's weight to get the precise dose and draw-up volume — unit and concentration math done for you.
Mechanism of action
Inhibits dihydrofolate reductase (DHFR) in folate synthesis pathway. Synergistic bactericidal activity when combined with sulfonamides.
Side effects & warnings
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 ball python may differ from canine / feline reference data — consult the primary citations listed with each rule.
Other Antibiotic drugs with ball python dosing
Trimethoprim dosing in other species
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 ball python — 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.