Sulfamethazine for Chicken
Livestock · Gallus gallus domesticus · typical adult weight 0.50–5.00 kg
Sulfamethazine is used in chicken for Coccidiosis, fowl cholera. Routes documented in chicken: PO. A typical adult chicken weighs 0.50–5.00 kg. ExoticRx lists 1 cited dose rule for Sulfamethazine in chicken, drawn from published veterinary references. Verify against current literature before clinical use.
Trade names: Sulmet
Dose ranges
| Route | Dose | Frequency | Duration | Indication | Evidence | Source |
|---|---|---|---|---|---|---|
| PO | 100–200 mg/kg | Continuous in water | 2 days high then 4 days maintenance | Coccidiosis, fowl cholera | Strong | FDA NADA Label |
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These ranges are per kg. Enter your chicken's weight to get the precise dose and draw-up volume — unit and concentration math done for you.
Mechanism of action
Inhibits dihydropteroate synthase in bacterial folate synthesis. Used primarily in food animals and poultry for coccidiosis.
Side effects & warnings
Withdrawal times required in food animals. Crystalluria risk. Adequate water intake essential. May cause blood dyscrasias with prolonged use.
Species-specific contraindications and adverse-reaction reports for chicken may differ from canine / feline reference data — consult the primary citations listed with each rule.
Other Antibiotic drugs with chicken dosing
Sulfamethazine dosing in other species
Why a species-specific page? Sulfamethazine pharmacokinetics differ across species: dose ranges, intervals, and route preferences are not interchangeable. Cross-extrapolation from canine doses is unsafe in chicken — 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.