Drug profile

The FDA adverse-event record for Amoxicillin Trihydrate;Clavulanate Potassium ( K-Clavulanate)

3,601 adverse-event reports submitted to the FDA Center for Veterinary Medicine reference Amoxicillin Trihydrate;Clavulanate Potassium ( K-Clavulanate). See the species affected, top reactions, and outcomes below.

3,601
adverse-event reports
5.6%
death-coded share
Unknown
most-reported species
2,096
Color, Abnormal - 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.
3,601
Total Reports
201
Deaths Reported
5.6%
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%)

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

3,601 reports name Amoxicillin Trihydrate;Clavulanate Potassium ( K-Clavulanate); 201 recorded a death outcome (5.6% of reported events, not a population-level mortality rate). Active ingredient: Amoxicillin Trihydrate;Clavulanate Potassium ( K-Clavulanate). Administration routes: Unknown, Oral, Subcutaneous, Topical.

By species: Unknown (2,290 reports), Dog (921 reports), Cat (380 reports). By breed: Unknown (2,299), Domestic Shorthair (229), Retriever - Labrador (87).

Leading clinical signs: Color, Abnormal (2,096), Suspension, Abnormal (535), Closure, Abnormal (288), Vomiting (287). Outcome, 1,316 coded reports: Ongoing leads at 49.7%.

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.