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Amoxicillin

Amoxi-Tabs, Amoxil

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Sourced from published veterinary references. Awaiting credentialed clinical reviewer — our editorial process.

Drug Class

Antibiotic

Routes

PO

Indications

abscessBacterial cystitis (uncomplicated)Bacterial infectionBacterial infections (skin, UTI, dental)Bacterial infections (skin, UTI, dental, respiratory)Bite woundBordetella bronchiseptica (kennel cough)Dental infectionsFeline lower urinary tract disease (bacterial)foot rotHelicobacter gastritis (triple therapy component)Leptospirosis (initial phase,periodontal diseaseRespiratoryRespiratory and GI infectionsRespiratory infectionsstreptococcal meningitisSusceptible bacterial infectionsUpper respiratory infectionurinary tract infections

Mechanism of Action

Inhibits bacterial cell wall synthesis by binding to penicillin-binding proteins (PBPs).

Side effects & warnings

CONTRAINDICATED in rabbits, guinea pigs, and hamsters (fatal dysbiosis). May cause GI upset. Cross-reactivity with other beta-lactams.

Species with Amoxicillin dosing data (19 dose rules)

Species references:All African Grey Parrot drugsAll Bearded Dragon drugsAll Cat (Domestic) drugsAll Cattle (Beef/Dairy) drugsAll Dog (Domestic) drugsAll Ferret drugsAll Horse (Equine) drugsAll Pet Rat drugsAll Swine (Pig) drugs

Evidence levels across 19 dose rules

Each ExoticRx dose rule is graded by the strength of its primary evidence — see the editorial process.

Backed by 5 published sources

  • · Carpenter 6e
  • · Carpenter's Exotic Animal Formulary, 6th Ed
  • · FARAD Withdrawal Guidelines
  • · ISCAID UTI Guidelines; Plumb's 9th Ed
  • · Plumb's Veterinary Drug Handbook, 9th Ed

Sample dosing (2 of 19 cited rules)

A dog/cat sample is shown here. Cited dosing for all 9 species — reptiles, birds, pocket pets, livestock, and equine — is free on the per-species pages above. Pro adds the weight-based calculator for every species.

SpeciesRouteDoseFrequencyEvidenceSource
Dog (Domestic)PO20–25 mg/kgq12hModeratePlumb's Veterinary Drug Handbook, 9th Ed
Dog (Domestic)PO22–30 mg/kgq8hStrongPlumb's Veterinary Drug Handbook, 9th Ed

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Other formulations of Amoxicillin