Drug profile

The FDA adverse-event record for Amoxicillin Trihydrate + Clavulanate Potassium

403 adverse-event reports submitted to the FDA Center for Veterinary Medicine reference Amoxicillin Trihydrate + Clavulanate Potassium. See the species affected, top reactions, and outcomes below.

403
adverse-event reports
6.2%
death-coded share
Dog
most-reported species
118
Emesis - top reaction
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Important: Adverse event reports do not establish that a drug caused or contributed to the event. Consult your veterinarian before making treatment decisions.
403
Total Reports
25
Deaths Reported
6.2%
Death Rate

Active Ingredients

Amoxicillin TrihydrateAmoxicillin Trihydrate + Clavulanate PotassiumClavulanate Potassium

Administration Routes

OralUnknownAuricular (Otic)Subcutaneous

Species Affected

Dog 334
Cat 69

Most Affected Breeds

Domestic Shorthair 38
Retriever - Labrador 26
Terrier - Yorkshire 24
Chihuahua 23
Shih Tzu 19
Terrier - Jack Russell 12
Maltese 11
Boxer (German Boxer) 10
Crossbred Canine/dog 10
Pug 9

Most Reported Reactions

Emesis 118
Vomiting 84
Lethargy (see also Central nervous system depression in 'Neurological') 61
Lack of efficacy - NOS 40
Other abnormal test result NOS 24
Diarrhoea 23
Decreased appetite 21
Behavioural disorder NOS 19
Not eating 19
Lack of efficacy (ectoparasite) - flea 18
Ataxia 18
Anorexia 17

Outcome Breakdown

Recovered/Normal
210 (52.1%)
Outcome Unknown
89 (22.1%)
Ongoing
58 (14.4%)
Recovered with Sequela
21 (5.2%)
Euthanized
14 (3.5%)
Died
11 (2.7%)

Amoxicillin Trihydrate + Clavulanate Potassium Adverse Event Insights

403 reports name Amoxicillin Trihydrate + Clavulanate Potassium; 25 recorded a death outcome (6.2% of reported events, not a population-level mortality rate). Active ingredients: Amoxicillin Trihydrate, Amoxicillin Trihydrate + Clavulanate Potassium, Clavulanate Potassium. Administration routes: Oral, Unknown, Auricular (Otic), Subcutaneous.

By species: Dog (334 reports), Cat (69 reports). By breed: Domestic Shorthair (38), Retriever - Labrador (26), Terrier - Yorkshire (24).

Leading clinical signs: Emesis (118), Vomiting (84), Lethargy (see also Central nervous system depression in 'Neurological') (61), Lack of efficacy - NOS (40). Outcome, 403 coded reports: Recovered/Normal leads at 52.1%.

Read these counts as reporting volume, not risk: per our methodology, a widely-prescribed drug will rack up more raw FDA reports in a given year than a rarely-used one at an identical true rate, so we recommend comparing within similar-exposure products rather than across the full 2025 catalog.

Source: FDA Center for Veterinary Medicine openFDA Animal & Veterinary Adverse Events (CVM AER) · 2025

Every figure on PlainBreed is rendered directly from FDA openFDA adverse event data, no number is typed in by an editor. This page draws directly on FDA openFDA data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.