Cat · Felis catus · typical adult weight 2.50–7.00 kg
Erythromycin (Prokinetic) is dosed at 0.5–1 mg/kg PO q8h in cats, per Hall JA, Washabau RJ. Gastric prokinetic agents. In: Bonagura JD, ed. Kirk's Current Veterinary Therapy: XIII Small Animal Practice. W.B. Saunders; 2000:609-617. — Verified against Plumb's Veterinary Drug Handbook, 10th Ed, p.502 (2026-08-01). — Plumb's 10th ed (held) printed p.475, Erythromycin monograph spanning p.473-476; page located 2026-08-05 from the book's own running heads, and carries this exact dose under the matching species heading. — SOURCE EDITION: Plumb's Veterinary Drug Handbook — ISBN 9781394172207, https://openlibrary.org/isbn/9781394172207. Erythromycin (Prokinetic) is used in cats for Gastroparesis. Routes documented in cats: PO. A typical adult cat weighs 2.50–7.00 kg. ExoticRx lists 1 cited dose rule for Erythromycin (Prokinetic) in cats, drawn from published veterinary references. Verify against current literature before clinical use.
US trade names: E-Mycin, Erythrocin
Contraindicated in Chinchilla, Guinea Pig, Rabbit, Hamster, Degu
| Route | Dose | Frequency | Duration | Indication | Evidence | Source |
|---|---|---|---|---|---|---|
| PO | 0.5–1 mg/kg | q8h | Short-term; tachyphylaxis develops rapidly | Gastroparesis | Weak | Hall JA, Washabau RJ. Gastric prokinetic agents. In: Bonagura JD, ed. Kirk's Current Veterinary Therapy: XIII Small Animal Practice. W.B. Saunders; 2000:609-617. — Verified against Plumb's Veterinary Drug Handbook, 10th Ed, p.502 (2026-08-01). — Plumb's 10th ed (held) printed p.475, Erythromycin monograph spanning p.473-476; page located 2026-08-05 from the book's own running heads, and carries this exact dose under the matching species heading. — SOURCE EDITION: Plumb's Veterinary Drug Handbook — ISBN 9781394172207, https://openlibrary.org/isbn/9781394172207 |
Every held source for this drug and species, as printed. Where they differ, both are shown — the choice is yours, not ours.
The sources disagree for this combination. The ranges below do not overlap on a comparable route. This is not an error in one of them — published veterinary references differ, and reconciling them for a particular patient is a clinical judgement.
| Dose (mg/kg) | Route | Source | As printed |
|---|---|---|---|
| 10–20 | PO | BSAVA Small Animal Formulary, 10th ed — Part A (Canine and Feline)p.169 | 10-20 mg/kg p.o. q8-12h. |
| 0.5–1 | PO | BSAVA Small Animal Formulary, 10th ed — Part A (Canine and Feline)p.169 | 0.5-1 mg/kg p.o. q8h. |
| 10–20 | PO | Papich Saunders Handbook of Veterinary Drugs, 4th edp.327 | • 10-20 mg/kg q8-12h PO. |
| 0.5–1 | PO |
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These ranges are per kg. Enter your cat's weight to get the precise dose and draw-up volume — unit and concentration math done for you.
At sub-antimicrobial doses, acts as a motilin receptor agonist stimulating gastric antral contractions and accelerating gastric emptying.
Prokinetic doses are 0.5-1 mg/kg, much lower than antimicrobial doses. GI upset at higher doses. Tachyphylaxis develops within days.
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 (Prokinetic) dose range in cats, with cited source references: PO 0.5–1 mg/kg q8h. Reference ranges from cited sources — verify against current literature before clinical use.
Documented routes for Erythromycin (Prokinetic) in cats: PO.
Cited course lengths for Erythromycin (Prokinetic) in cats include: Short-term; tachyphylaxis develops rapidly. Duration depends on the indication — match it to the specific dose rule in the table above.
Erythromycin (Prokinetic) is indicated in cats for: Gastroparesis.
These are general warnings for Erythromycin (Prokinetic) across species; consult the cat dosing table above for species-specific guidance. Prokinetic doses are 0.5-1 mg/kg, much lower than antimicrobial doses. GI upset at higher doses. Tachyphylaxis develops within days.
Why a species-specific page? Erythromycin (Prokinetic) 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.
| Papich Saunders Handbook of Veterinary Drugs, 4th edp.327 |
| • Prokinetic effects (GI): 0.5-1 mg/kg q8-12h PO or IV. |
Figures are transcribed from the cited page or table of each held edition and are shown for reference only. They are not dose recommendations, they do not feed the calculator, and none has been reviewed by a veterinarian.