Livestock · Bos taurus · typical adult weight 250.00–900.00 kg
Erythromycin is dosed at 4.4–8.8 mg/kg IM q24h in cattle, per Gallimycin-100 Injection [product label]. LettSueur, MN: Bimeda-MTC Animal Health. — Verified against Plumb's Veterinary Drug Handbook, 10th Ed, p.503 (2026-08-01).. Erythromycin is used in cattle for Respiratory infection. Routes documented in cattle: IM. A typical adult cattle weighs 250.00–900.00 kg. ExoticRx lists 1 cited dose rule for Erythromycin in cattle, drawn from published veterinary references. Verify against current literature before clinical use.
US trade names: Erythro-100, Gallimycin
Contraindicated in Chinchilla, Guinea Pig, Rabbit, Hamster, Degu
| Route | Dose | Frequency | Duration | Indication | Evidence | Source |
|---|---|---|---|---|---|---|
| IM | 4.4–8.8 mg/kg | q24h | 3-5 days | Respiratory infection | Moderate | Gallimycin-100 Injection [product label]. LettSueur, MN: Bimeda-MTC Animal Health. — Verified against Plumb's Veterinary Drug Handbook, 10th Ed, p.503 (2026-08-01). |
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These ranges are per kg. Enter your cattle's weight to get the precise dose and draw-up volume — unit and concentration math done for you.
Binds 50S ribosomal subunit, inhibiting translocation of peptidyl-tRNA, blocking bacterial protein synthesis.
CONTRAINDICATED in rabbits and hindgut fermenters. Prokinetic at sub-antimicrobial doses. GI upset common. Hepatotoxicity reported. Strong CYP inhibitor.
Species-specific contraindications and adverse-reaction reports for cattle may differ from canine / feline reference data — consult the primary citations listed with each rule.
Erythromycin dose range in cattle, with cited source references: IM 4.4–8.8 mg/kg q24h. Reference ranges from cited sources — verify against current literature before clinical use.
Documented routes for Erythromycin in cattle: IM.
Cited course lengths for Erythromycin in cattle include: 3-5 days. Duration depends on the indication — match it to the specific dose rule in the table above.
Erythromycin is indicated in cattle for: Respiratory infection.
These are general warnings for Erythromycin across species; consult the cattle dosing table above for species-specific guidance. CONTRAINDICATED in rabbits and hindgut fermenters. Prokinetic at sub-antimicrobial doses. GI upset common. Hepatotoxicity reported. Strong CYP inhibitor.
Why a species-specific page? Erythromycin pharmacokinetics differ across species: dose ranges, intervals, and route preferences are not interchangeable. Cross-extrapolation from canine doses is unsafe in cattle — 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.