Amoxicillin (As Trihydrate); Clavulanate Potassium ( K-Clavulanate)

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1,076 adverse event reports submitted to the FDA

Important: Adverse event reports do not establish that a drug caused or contributed to the event. Consult your veterinarian before making treatment decisions.
1,076
Total Reports
130
Deaths Reported
1210.0%
Death Rate

Active Ingredients

Amoxicillin (As Trihydrate); Clavulanate Potassium ( K-Clavulanate)

Administration Routes

OralUnknownSubcutaneousOphthalmicAuricular (Otic)Other

Species Affected

Dog 489
Unknown 395
Cat 191
Other 1

Most Affected Breeds

Unknown 396
Domestic Shorthair 112
Retriever - Labrador 47
Chihuahua 40
Shih Tzu 30
Terrier - Yorkshire 27
Domestic Longhair 24
Maltese 21
Retriever - Golden 19
Pug 19

Most Reported Reactions

Color, Abnormal 305
No sign 208
Vomiting 189
Lethargy (see also Central nervous system depression in 'Neurological') 153
Anorexia 113
Other abnormal test result NOS 86
Lack of efficacy (bacteria) - NOS 80
Uncoded sign 77
Diarrhoea 68
Death 63
Death by euthanasia 60
Elevated serum alkaline phosphatase (SAP) 58

Outcome Breakdown

Ongoing
352 (51.6%)
Recovered/Normal
107 (15.7%)
Outcome Unknown
93 (13.6%)
Died
69 (10.1%)
Euthanized
61 (8.9%)

Data Summary

Metric Value
Total adverse event reports 1,076
Reports involving death 130
Case-fatality rate (reported events) 1210.0%
Distinct species in reports 4
Distinct breeds in reports 20
Distinct reactions reported 20
Active ingredients on file 1

Source: FDA Center for Veterinary Medicine — Adverse Event Reporting (CVM AER). Counts reflect voluntary reports only.

Amoxicillin (As Trihydrate); Clavulanate Potassium ( K-Clavulanate) Adverse Event Insights

The FDA Center for Veterinary Medicine database currently holds 1,076 adverse event reports referencing Amoxicillin (As Trihydrate); Clavulanate Potassium ( K-Clavulanate), including 130 reports in which the animal died — a 1210.0% case-fatality figure among reported events only, not a population-level mortality rate. Active ingredient on file: Amoxicillin (As Trihydrate); Clavulanate Potassium ( K-Clavulanate). Reported administration routes include Oral, Unknown, Subcutaneous, Ophthalmic. These numbers reflect voluntary submissions from pet owners, veterinarians, and manufacturers and therefore under-represent mild events and over-represent severe ones — a pattern the FDA has documented repeatedly for pharmacovigilance datasets.

The species most frequently named in Amoxicillin (As Trihydrate); Clavulanate Potassium ( K-Clavulanate) reports are Dog (489 reports), Unknown (395 reports), Cat (191 reports), with Dog accounting for the largest share. Within those species, Unknown (396), Domestic Shorthair (112), Retriever - Labrador (47) appear most often — though breed popularity and ownership density shape these counts as much as any drug-specific sensitivity. This distribution matters because the same active ingredient can behave very differently across body sizes, ages, and species physiology.

The most commonly reported clinical signs associated with Amoxicillin (As Trihydrate); Clavulanate Potassium ( K-Clavulanate) are Color, Abnormal (305), No sign (208), Vomiting (189), Lethargy (see also Central nervous system depression in 'Neurological') (153). Of the 682 reports with a coded outcome, Ongoing is the leading category at 51.6%. Because FDA adverse event data describes correlation rather than causation, these figures are best used to frame informed questions with a veterinarian and to compare reporting patterns across related products — not as a standalone safety verdict on Amoxicillin (As Trihydrate); Clavulanate Potassium ( K-Clavulanate).

Source: FDA Center for Veterinary Medicine — Adverse Event Reports FDA Center for Veterinary Medicine — Adverse Event Reports Data reflects voluntary submissions and may not represent actual incidence rates

Related

Data sourced from official AKC, AVMA, ACVO, and breed-club veterinary references. See our methodology for details. Retrieved and formatted by PlainBreed Editorial