Cefovecin Sodium

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2,721 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.
2,721
Total Reports
527
Deaths Reported
1940.0%
Death Rate

Active Ingredients

Cefovecin Sodium

Administration Routes

SubcutaneousUnknownParenteralOtherIntramuscularTopicalOralIntravenousIntraocularRespiratory (Inhalation)

Species Affected

Cat 2,054
Dog 587
Unknown 67
Human 4
Guinea Pig 4
Mouse 1
Rabbit 1
Other 1
Ferret 1
Tiger 1

Most Affected Breeds

Domestic (unspecified) 752
Domestic Shorthair 726
Cat (unknown) 157
Domestic Longhair 106
Unknown 80
Domestic Mediumhair 62
Crossbred Canine/dog 58
Siamese 58
Chihuahua 46
Shih Tzu 43

Most Reported Reactions

Anorexia 421
Vomiting 364
Depression 294
Death 270
Death by euthanasia 239
Ataxia 221
Behavioural disorder NOS 208
Weight loss 202
Lack of efficacy (bacteria) - NOS 189
Anaemia NOS 182
Diarrhoea 175
Not eating 152

Outcome Breakdown

Outcome Unknown
418 (25.1%)
Died
417 (25.0%)
Recovered/Normal
370 (22.2%)
Ongoing
336 (20.1%)
Euthanized
110 (6.6%)
Recovered with Sequela
17 (1.0%)

Data Summary

Metric Value
Total adverse event reports 2,721
Reports involving death 527
Case-fatality rate (reported events) 1940.0%
Distinct species in reports 10
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.

Cefovecin Sodium Adverse Event Insights

The FDA Center for Veterinary Medicine database currently holds 2,721 adverse event reports referencing Cefovecin Sodium, including 527 reports in which the animal died — a 1940.0% case-fatality figure among reported events only, not a population-level mortality rate. Active ingredient on file: Cefovecin Sodium. Reported administration routes include Subcutaneous, Unknown, Parenteral, 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 Cefovecin Sodium reports are Cat (2,054 reports), Dog (587 reports), Unknown (67 reports), with Cat accounting for the largest share. Within those species, Domestic (unspecified) (752), Domestic Shorthair (726), Cat (unknown) (157) 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 Cefovecin Sodium are Anorexia (421), Vomiting (364), Depression (294), Death (270). Of the 1,668 reports with a coded outcome, Outcome Unknown is the leading category at 25.1%. 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 Cefovecin Sodium.

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