Bird · Psittacus erithacus · typical adult weight 0.40–0.65 kg
Pyrimethamine is dosed at 0.5 mg/kg PO q12h in african grey parrots, per 159. Formulary. In: Chitty J, Lierz M, Chitty J, Lierz M, eds. BSAVA Manual of Raptors, Pigeons and Passerine Birds; British Small Animal Veterinary Association, Gloucester, UK; 2008:384-390. — Source: Carpenter's Exotic Animal Formulary, 6th Ed, p.441 — Carpenter's Exotic Animal Formulary 6th ed, Table 5.4 (Antiparasitic Agents Used in Birds). The copy held is an ebook conversion with no printed page numbers, so the table — not the page — is the citable location. — SOURCE EDITION: BSAVA Small Animal Formulary, Part A — Canine and Feline — ISBN 9781910443705, https://openlibrary.org/isbn/9781910443705; Carpenter's Exotic Animal Formulary — ISBN 9780323833929, https://openlibrary.org/isbn/9780323833929. Pyrimethamine is used in african grey parrots for Toxoplasma, Atoxoplasma, Sarcocystis, Leucocytozoon. Routes documented in african grey parrots: PO. A typical adult african grey parrot weighs 0.40–0.65 kg. ExoticRx lists 1 cited dose rule for Pyrimethamine in african grey parrots, drawn from published veterinary references. Verify against current literature before clinical use.
US trade names: Daraprim
| Route | Dose | Frequency | Duration | Indication | Evidence | Source |
|---|---|---|---|---|---|---|
| PO | 0.5 mg/kg | q12h | x 14-28 days | Toxoplasma, Atoxoplasma, Sarcocystis, Leucocytozoon | Moderate | 159. Formulary. In: Chitty J, Lierz M, Chitty J, Lierz M, eds. BSAVA Manual of Raptors, Pigeons and Passerine Birds; British Small Animal Veterinary Association, Gloucester, UK; 2008:384-390. — Source: Carpenter's Exotic Animal Formulary, 6th Ed, p.441 — Carpenter's Exotic Animal Formulary 6th ed, Table 5.4 (Antiparasitic Agents Used in Birds). The copy held is an ebook conversion with no printed page numbers, so the table — not the page — is the citable location. — SOURCE EDITION: BSAVA Small Animal Formulary, Part A — Canine and Feline — ISBN 9781910443705, https://openlibrary.org/isbn/9781910443705; 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 |
|---|---|---|---|
| 0.5 | PO | BSAVA Manual of Psittacine Birds, 2nd edp.314 | 0.5 mg/kg orally q12h for 14 days | For Leucocytozoon infections |
| 0.5–1 | PO | BSAVA Small Animal Formulary, 10th ed — Part B (Exotic Pets)p.273 | 0.5-1 mg/kg p.o. q12h for 28 days 1 |
| 0.5 | PO | Carpenter's Exotic Animal Formulary, 6th edTable 5.4 | 0.5 mg/kg PO q12h ×14-28 days,232 |
| 0.5–1 | PO |
Need the exact dose for your patient?
These ranges are per kg. Enter your african grey 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 african grey parrots may differ from canine / feline reference data — consult the primary citations listed with each rule.
Pyrimethamine dose range in african grey parrots, with cited source references: PO 0.5 mg/kg q12h. Reference ranges from cited sources — verify against current literature before clinical use.
Documented routes for Pyrimethamine in african grey parrots: PO.
Cited course lengths for Pyrimethamine in african grey parrots include: x 14-28 days. Duration depends on the indication — match it to the specific dose rule in the table above.
Pyrimethamine is indicated in african grey parrots for: Toxoplasma, Atoxoplasma, Sarcocystis, Leucocytozoon.
These are general warnings for Pyrimethamine across species; consult the african grey 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 african grey 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.
| 0.5-1 mg/kg PO q12h ×2-4 days, then 0.25 mg/kg PO q12h × 30 days |
| 0.25 | PO | Carpenter's Exotic Animal Formulary, 6th edTable 5.4 | 0.5-1 mg/kg PO q12h ×2-4 days, then 0.25 mg/kg PO q12h × 30 days |
| Dose (mg/kg feed) | Route | Source | As printed |
|---|---|---|---|
| 100 | — | Carpenter's Exotic Animal Formulary, 6th edTable 5.4 | 100 mg/kg feed |
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.