Drug profile

The FDA adverse-event record for Clavacillin

15 adverse-event reports submitted to the FDA Center for Veterinary Medicine reference Clavacillin. See the species affected, top reactions, and outcomes below.

15
adverse-event reports
33.3%
death-coded share
Dog
most-reported species
4
Anorexia - 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.
15
Total Reports
5
Deaths Reported
33.3%
Death Rate

Active Ingredients

Clavacillin

Administration Routes

OralUnknown

Species Affected

Dog 14
Cat 1

Most Affected Breeds

Crossbred Canine/dog 2
Pug 2
Domestic Shorthair 1
Dog (unknown) 1
Spaniel - Cocker American 1
Terrier (unspecified) 1
Terrier - West Highland White 1
Basenji 1
Boxer (German Boxer) 1
Ridgeback - Rhodesian 1

Most Reported Reactions

Anorexia 4
Vomiting 4
Urinary tract infection 4
Haematuria 4
Death by euthanasia 4
Urinary incontinence 3
Abnormal ultrasound finding 3
Ataxia 2
Polydipsia 2
Not eating 2
Pancreatitis NOS 2
Elevated serum alkaline phosphatase (ALP) 2

Outcome Breakdown

Ongoing
7 (46.7%)
Euthanized
4 (26.7%)
Outcome Unknown
2 (13.3%)
Recovered/Normal
1 (6.7%)
Died
1 (6.7%)

Clavacillin Adverse Event Insights

15 reports name Clavacillin; 5 recorded a death outcome (33.3% of reported events, not a population-level mortality rate). Active ingredient: Clavacillin. Administration routes: Oral, Unknown.

By species: Dog (14 reports), Cat (1 reports). By breed: Crossbred Canine/dog (2), Pug (2), Domestic Shorthair (1).

Leading clinical signs: Anorexia (4), Vomiting (4), Urinary tract infection (4), Haematuria (4). Outcome, 15 coded reports: Ongoing leads at 46.7%.

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.