Amoxicillin Trihydrate;Clavulanate Potassium ( K-Clavulanate)

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3,601 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.
3,601
Total Reports
201
Deaths Reported
560.0%
Death Rate

Active Ingredients

Amoxicillin Trihydrate;Clavulanate Potassium ( K-Clavulanate)

Administration Routes

UnknownOralSubcutaneousTopicalOtherOphthalmicRespiratory (Inhalation)

Species Affected

Unknown 2,290
Dog 921
Cat 380
Human 6
Ferret 3
Parrot 1

Most Affected Breeds

Unknown 2,299
Domestic Shorthair 229
Retriever - Labrador 87
Cat (other) 66
Chihuahua 59
Dog (unknown) 44
Shih Tzu 44
Terrier - Bull - American Pit 40
Terrier - Yorkshire 33
Bulldog - French 32

Most Reported Reactions

Color, Abnormal 2,096
Suspension, Abnormal 535
Closure, Abnormal 288
Vomiting 287
Lack of efficacy - NOS 198
Lethargy (see also Central nervous system depression in 'Neurological') 161
Granules/Powder, Abnormal 136
Diarrhoea 125
Not eating 114
Seal, Abnormal 108
Lethargy (see also Central nervous system depression in Neurological) 104
Death by euthanasia 103

Outcome Breakdown

Ongoing
654 (49.7%)
Outcome Unknown
275 (20.9%)
Recovered/Normal
182 (13.8%)
Euthanized
104 (7.9%)
Died
100 (7.6%)
Recovered with Sequela
1 (0.1%)

Data Summary

Metric Value
Total adverse event reports 3,601
Reports involving death 201
Case-fatality rate (reported events) 560.0%
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 3,601 adverse event reports referencing Amoxicillin Trihydrate;Clavulanate Potassium ( K-Clavulanate), including 201 reports in which the animal died — a 560.0% 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 Unknown, Oral, Subcutaneous, Topical. 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 Unknown (2,290 reports), Dog (921 reports), Cat (380 reports), with Unknown accounting for the largest share. Within those species, Unknown (2,299), Domestic Shorthair (229), Retriever - Labrador (87) 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 (2,096), Suspension, Abnormal (535), Closure, Abnormal (288), Vomiting (287). Of the 1,316 reports with a coded outcome, Ongoing is the leading category at 49.7%. 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