Livestock · Gallus gallus domesticus · typical adult weight 0.50–5.00 kg
Amprolium is dosed at 125–240 ppm in water PO Continuous in drinking water in chickens, per Ampromed-P for poultry - amprolium solution [US product label]. LettSueur, MN: Bimeda, Inc.; 2018. https://dailymed.nlm.nih.gov/dailymed/drugInfo.cfm?setid=2af7f7e6-1cf8-4127-9493-30f25aa020e3 — Verified against Plumb's Veterinary Drug Handbook, 10th Ed, p.112 (2026-08-01).. Amprolium is used in chickens for Coccidiosis treatment and prevention, Coccidiosis. Routes documented in chickens: PO. A typical adult chicken weighs 0.50–5.00 kg. ExoticRx lists 2 cited dose rules for Amprolium in chickens, drawn from published veterinary references. Verify against current literature before clinical use.
US trade names: Corid, Amprol
| Route | Dose | Frequency | Duration | Indication | Evidence | Source |
|---|---|---|---|---|---|---|
| PO | 125–240 ppm in water | Continuous in drinking water | Treatment: 5-7 days; Prevention: continuous | Coccidiosis treatment and prevention | Strong | Ampromed-P for poultry - amprolium solution [US product label]. LettSueur, MN: Bimeda, Inc.; 2018. https://dailymed.nlm.nih.gov/dailymed/drugInfo.cfm?setid=2af7f7e6-1cf8-4127-9493-30f25aa020e3 — Verified against Plumb's Veterinary Drug Handbook, 10th Ed, p.112 (2026-08-01). |
| PO | 0.006–0.012 % | continuous in water | 3-5 days treatment | Coccidiosis | Strong | Ampromed-P for poultry - amprolium solution [US product label]. LettSueur, MN: Bimeda, Inc.; 2018. https://dailymed.nlm.nih.gov/dailymed/drugInfo.cfm?setid=2af7f7e6-1cf8-4127-9493-30f25aa020e3 — Verified against Plumb's Veterinary Drug Handbook, 10th Ed, p.112 (2026-08-01). |
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Thiamine analog that competitively inhibits thiamine uptake by coccidia, interfering with carbohydrate metabolism of the parasite.
Prolonged use may cause thiamine deficiency (polioencephalomalacia). Primarily coccidiostatic, not coccidiocidal. Ensure adequate thiamine intake.
Species-specific contraindications and adverse-reaction reports for chickens may differ from canine / feline reference data — consult the primary citations listed with each rule.
Amprolium dose ranges in chickens, with cited source references: PO 125–240 ppm in water Continuous in drinking water; PO 0.006–0.012 % continuous in water. Reference ranges from cited sources — verify against current literature before clinical use.
Documented routes for Amprolium in chickens: PO.
Cited course lengths for Amprolium in chickens include: Treatment: 5-7 days; Prevention: continuous; 3-5 days treatment. Duration depends on the indication — match it to the specific dose rule in the table above.
Amprolium is indicated in chickens for: Coccidiosis treatment and prevention, Coccidiosis.
These are general warnings for Amprolium across species; consult the chicken dosing table above for species-specific guidance. Prolonged use may cause thiamine deficiency (polioencephalomalacia). Primarily coccidiostatic, not coccidiocidal. Ensure adequate thiamine intake.
Why a species-specific page? Amprolium pharmacokinetics differ across species: dose ranges, intervals, and route preferences are not interchangeable. Cross-extrapolation from canine doses is unsafe in chickens — 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.