Cat · Felis catus · typical adult weight 2.50–7.00 kg
Amoxicillin Injectable is dosed at 10–20 mg/kg SC q12h in cats, per Plumb's Veterinary Drug Handbook, 10th ed (2023, held copy; the original seed cited the 9th, which was never consulted) — Plumb's 10th ed (held) printed p.67, Amoxicillin monograph spanning p.67-69; page located 2026-08-05 from the book's own running heads, verified to name the drug in its body text. — figure located 2026-08-05 at Plumb's 10th ed printed p.73, Amoxicillin/Clavulanate monograph; the page cited previously does not carry it. — SOURCE EDITION: Plumb's Veterinary Drug Handbook — ISBN 9781394172207, https://openlibrary.org/isbn/9781394172207. Amoxicillin Injectable is used in cats for Bacterial infections. Routes documented in cats: SC. A typical adult cat weighs 2.50–7.00 kg. ExoticRx lists 1 cited dose rule for Amoxicillin Injectable in cats, drawn from published veterinary references. Verify against current literature before clinical use.
US trade names: Amoxi-Inject
Contraindicated in Rabbit, Guinea Pig, Chinchilla, Hamster, Degu
| Route | Dose | Frequency | Duration | Indication | Evidence | Source |
|---|---|---|---|---|---|---|
| SC | 10–20 mg/kg | q12h | 7-14 days | Bacterial infections | Moderate | Plumb's Veterinary Drug Handbook, 10th ed (2023, held copy; the original seed cited the 9th, which was never consulted) — Plumb's 10th ed (held) printed p.67, Amoxicillin monograph spanning p.67-69; page located 2026-08-05 from the book's own running heads, verified to name the drug in its body text. — figure located 2026-08-05 at Plumb's 10th ed printed p.73, Amoxicillin/Clavulanate monograph; the page cited previously does not carry it. — 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.
| Dose (mg/animal) | Route | Source | As printed |
|---|---|---|---|
| 62.5 | PO | Papich Saunders Handbook of Veterinary Drugs, 4th edp.68 | • 62.5 mg/cat q12h PO. Consider administering these doses every 8 hours for |
| Dose (mg/kg) | Route | Source | As printed |
|---|---|---|---|
| 15 | IM | BSAVA Small Animal Formulary, 10th ed — Part A (Canine and Feline)p.41 | 7 mg/kg i.m. q24h; 15 mg/kg i.m. q48h for depot preparations. |
| 10 | PO | BSAVA Small Animal Formulary, 10th ed — Part A (Canine and Feline)p.41 | ■ 10 mg/kg p.o. q8-12h. ■ 11-15 mg/kg p.o. q8h for bacterial cystitis. Evidence of a |
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Aminopenicillin inhibiting cell wall synthesis. Injectable form for patients unable to take oral medication.
CONTRAINDICATED in rabbits, guinea pigs, hamsters. IM injection may be painful. Same spectrum as oral amoxicillin.
Species-specific contraindications and adverse-reaction reports for cats may differ from canine / feline reference data — consult the primary citations listed with each rule.
Amoxicillin Injectable dose range in cats, with cited source references: SC 10–20 mg/kg q12h. Reference ranges from cited sources — verify against current literature before clinical use.
Documented routes for Amoxicillin Injectable in cats: SC.
Cited course lengths for Amoxicillin Injectable in cats include: 7-14 days. Duration depends on the indication — match it to the specific dose rule in the table above.
Amoxicillin Injectable is indicated in cats for: Bacterial infections.
These are general warnings for Amoxicillin Injectable across species; consult the cat dosing table above for species-specific guidance. CONTRAINDICATED in rabbits, guinea pigs, hamsters. IM injection may be painful. Same spectrum as oral amoxicillin.
Why a species-specific page? Amoxicillin Injectable 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.
| 7 | IM | BSAVA Small Animal Formulary, 10th ed — Part A (Canine and Feline)p.41 | 7 mg/kg i.m. q24h; 15 mg/kg i.m. q48h for depot preparations. |
| 16–33 | IV | BSAVA Small Animal Formulary, 10th ed — Part A (Canine and Feline)p.41 | ion, causal organism and severity of the disease. (Doses of 16-33 mg/kg i.v. q8h are used in humans to treat serious infections.) |
| 11–15 | PO | BSAVA Small Animal Formulary, 10th ed — Part A (Canine and Feline)p.41 | ■ 10 mg/kg p.o. q8-12h. ■ 11-15 mg/kg p.o. q8h for bacterial cystitis. Evidence of a need for clavulanic acid is lacki |
| 6.6–20 | PO | Papich Saunders Handbook of Veterinary Drugs, 4th edp.67 | • 6.6-20 mg/kg q8-12h PO. |
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.