What is Clazuril used for?

Clazuril is indicated for: Coccidiosis.

Which species have cited Clazuril dosing data?

Clazuril dosing in the ExoticRx formulary covers 1 species: Domestic Pigeon.

Is Clazuril a controlled substance?

Clazuril is not federally scheduled in the US. Controlled-drug status differs by country — verify your local rules.

Clazuril

Sourced from published veterinary references. Awaiting credentialed clinical reviewer — our editorial process.

Clazuril is dosed at 5 mg/kg PO once in domestic pigeons, 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.432 — Carpenter's Exotic Animal Formulary 6th ed, Table 5.4 (Antiparasitic Agents Used in Birds). — VOLUME CORRECTED 2026-08-07: this citation named BSAVA Part A (Canine & Feline), which does not contain Clazuril. BSAVA ships as two separate volumes and the drug is in BSAVA Part B (Exotic Pets); the reference is to that volume. Verify against current literature before clinical use.

Drug Class

Uncategorized

Routes

Indications

Coccidiosis

Species with Clazuril dosing data (2 dose rules)

Domestic Pigeon

Species references:All Domestic Pigeon drugs

Evidence levels across 2 dose rules

Moderate×2

Each ExoticRx dose rule is graded by the strength of its primary evidence — see the editorial process.

Report an error in this entry

Backed by 2 published sourcesShow

· 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.432 — Carpenter's Exotic Animal Formulary 6th ed, Table 5.4 (Antiparasitic Agents Used in Birds). — VOLUME CORRECTED 2026-08-07: this citation named BSAVA Part A (Canine & Feline), which does not contain Clazuril. BSAVA ships as two separate volumes and the drug is in BSAVA Part B (Exotic Pets); the reference is to that volume.
· 964. Vercruysse J. Efficacy of toltrazuril and clazuril against experimental infections with Eimeria labbeana and E. columbarum in racing pigeons. Avian Dis. 1990;34:73-79 doi:10.2307/1591336. — Source: Carpenter's Exotic Animal Formulary, 6th Ed, p.432 — Carpenter's Exotic Animal Formulary 6th ed, Table 5.4 (Antiparasitic Agents Used in Birds).

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