Cat · Felis catus · typical adult weight 2.50–7.00 kg
Erythromycin is dosed at 10–15 mg/kg PO q8h in cats, per Verified against Plumb's Veterinary Drug Handbook, 10th Ed, p.502 (2026-08-01).. Erythromycin is used in cats for Susceptible bacterial infections. Routes documented in cats: PO. A typical adult cat weighs 2.50–7.00 kg. ExoticRx lists 1 cited dose rule for Erythromycin in cats, 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 |
|---|---|---|---|---|---|---|
| PO | 10–15 mg/kg | q8h | 7-14 days | Susceptible bacterial infections | Moderate | Verified against Plumb's Veterinary Drug Handbook, 10th Ed, p.502 (2026-08-01). |
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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 cats may differ from canine / feline reference data — consult the primary citations listed with each rule.
Erythromycin dose range in cats, with cited source references: PO 10–15 mg/kg q8h. Reference ranges from cited sources — verify against current literature before clinical use.
Documented routes for Erythromycin in cats: PO.
Cited course lengths for Erythromycin in cats include: 7-14 days. Duration depends on the indication — match it to the specific dose rule in the table above.
Erythromycin is indicated in cats for: Susceptible bacterial infections.
These are general warnings for Erythromycin across species; consult the cat 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 cats — 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.