Amoxicillin Trihydrate; Clavulanate Potassium ( K-Clavulanate)

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857 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.
857
Total Reports
100
Deaths Reported
1170.0%
Death Rate

Active Ingredients

Amoxicillin Trihydrate; Clavulanate Potassium ( K-Clavulanate)

Administration Routes

OralUnknownTopicalOtherOphthalmic

Species Affected

Dog 363
Unknown 344
Cat 144
Human 4
Other Birds 1
Other Rodents 1

Most Affected Breeds

Unknown 348
Domestic Shorthair 77
Retriever - Labrador 25
Terrier - Yorkshire 21
Cat (unknown) 20
Chihuahua 19
Dog (unknown) 19
Shih Tzu 19
Boxer (German Boxer) 17
Domestic Longhair 16

Most Reported Reactions

Color, Abnormal 295
Suspension, Abnormal 246
Lethargy (see also Central nervous system depression in 'Neurological') 127
Vomiting 106
Lack of efficacy - NOS 104
Other abnormal test result NOS 102
Lack of efficacy (bacteria) - NOS 86
Anorexia 80
Diarrhoea 62
Death by euthanasia 50
Emesis 49
Death 48

Outcome Breakdown

Ongoing
254 (49.3%)
Outcome Unknown
81 (15.7%)
Recovered/Normal
78 (15.1%)
Died
53 (10.3%)
Euthanized
48 (9.3%)
Recovered with Sequela
1 (0.2%)

Data Summary

Metric Value
Total adverse event reports 857
Reports involving death 100
Case-fatality rate (reported events) 1170.0%
Distinct species in reports 6
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 Trihydrate; Clavulanate Potassium ( K-Clavulanate) Adverse Event Insights

The FDA Center for Veterinary Medicine database currently holds 857 adverse event reports referencing Amoxicillin Trihydrate; Clavulanate Potassium ( K-Clavulanate), including 100 reports in which the animal died — a 1170.0% case-fatality figure among reported events only, not a population-level mortality rate. Active ingredient on file: Amoxicillin Trihydrate; Clavulanate Potassium ( K-Clavulanate). Reported administration routes include Oral, Unknown, Topical, Other. 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 Trihydrate; Clavulanate Potassium ( K-Clavulanate) reports are Dog (363 reports), Unknown (344 reports), Cat (144 reports), with Dog accounting for the largest share. Within those species, Unknown (348), Domestic Shorthair (77), Retriever - Labrador (25) 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 Trihydrate; Clavulanate Potassium ( K-Clavulanate) are Color, Abnormal (295), Suspension, Abnormal (246), Lethargy (see also Central nervous system depression in 'Neurological') (127), Vomiting (106). Of the 515 reports with a coded outcome, Ongoing is the leading category at 49.3%. 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 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