Bird · Amazona spp. · typical adult weight 0.35–0.55 kg
Pyrimethamine is dosed at 0.5–1 mg/kg PO q12h x 30 days in amazon parrots, per 673. Page DC, Schmidt RE, English JH, et al. Antemortem diagnosis and treatment of sarcocystosis in two species of psittacines. J Zoo Wildl Med. 1992;23:77-85. — Mined from Carpenter's Exotic Animal Formulary, 6th Ed, p.441 (2026-08-01, PENDING REVIEW). Pyrimethamine is used in amazon parrots for Sarcocystosis. Routes documented in amazon parrots: PO. A typical adult amazon parrot weighs 0.35–0.55 kg. ExoticRx lists 1 cited dose rule for Pyrimethamine in amazon parrots, drawn from published veterinary references. Verify against current literature before clinical use.
US trade names: Daraprim
| Route | Dose | Frequency | Indication | Evidence | Source |
|---|---|---|---|---|---|
| PO | 0.5–1 mg/kg | q12h x 30 days | Sarcocystosis | Weak | 673. Page DC, Schmidt RE, English JH, et al. Antemortem diagnosis and treatment of sarcocystosis in two species of psittacines. J Zoo Wildl Med. 1992;23:77-85. — Mined from Carpenter's Exotic Animal Formulary, 6th Ed, p.441 (2026-08-01, PENDING REVIEW) |
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These ranges are per kg. Enter your amazon parrot's weight to get the precise dose and draw-up volume — unit and concentration math done for you.
Inhibits dihydrofolate reductase in protozoa, blocking folic acid synthesis required for DNA replication. Synergistic with sulfonamides.
Bone marrow suppression possible — monitor CBC. Supplement with folinic acid (leucovorin). Teratogenic. Do not use in pregnant animals.
Species-specific contraindications and adverse-reaction reports for amazon parrots may differ from canine / feline reference data — consult the primary citations listed with each rule.
Pyrimethamine dose range in amazon parrots, with cited source references: PO 0.5–1 mg/kg q12h x 30 days. Reference ranges from cited sources — verify against current literature before clinical use.
Documented routes for Pyrimethamine in amazon parrots: PO.
Pyrimethamine is indicated in amazon parrots for: Sarcocystosis.
These are general warnings for Pyrimethamine across species; consult the amazon parrot dosing table above for species-specific guidance. Bone marrow suppression possible — monitor CBC. Supplement with folinic acid (leucovorin). Teratogenic. Do not use in pregnant animals.
Why a species-specific page? Pyrimethamine pharmacokinetics differ across species: dose ranges, intervals, and route preferences are not interchangeable. Cross-extrapolation from canine doses is unsafe in amazon parrots — 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.