Polyvinylpyrrolidone & Levothyroxine Sodium

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26 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.
26
Total Reports
3
Deaths Reported
1150.0%
Death Rate

Active Ingredients

Polyvinylpyrrolidone & Levothyroxine Sodium

Administration Routes

OralUnknown

Species Affected

Dog 26

Most Affected Breeds

Retriever - Labrador 8
Dog (unknown) 2
Retriever - Golden 2
Collie - Border 1
Terrier - Boston 1
Spaniel - Cocker American 1
Retriever - Chesapeake Bay 1
Terrier - Yorkshire 1
Bulldog 1
Chihuahua 1

Most Reported Reactions

Vomiting 6
Seizure NOS 4
Lethargy (see also Central nervous system depression in 'Neurological') 4
Panting 3
Other abnormal test result NOS 3
Elevated serum alkaline phosphatase (SAP) 3
Hypothyroidism 2
Anorexia 2
Polydipsia 2
Lymphoma 2
Death by euthanasia 2
Hives (see also 'Skin') 2

Outcome Breakdown

Ongoing
14 (53.8%)
Recovered/Normal
8 (30.8%)
Euthanized
2 (7.7%)
Outcome Unknown
1 (3.8%)
Died
1 (3.8%)

Data Summary

Metric Value
Total adverse event reports 26
Reports involving death 3
Case-fatality rate (reported events) 1150.0%
Distinct species in reports 1
Distinct breeds in reports 17
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.

Polyvinylpyrrolidone & Levothyroxine Sodium Adverse Event Insights

The FDA Center for Veterinary Medicine database currently holds 26 adverse event reports referencing Polyvinylpyrrolidone & Levothyroxine Sodium, including 3 reports in which the animal died — a 1150.0% case-fatality figure among reported events only, not a population-level mortality rate. Active ingredient on file: Polyvinylpyrrolidone & Levothyroxine Sodium. Reported administration routes include Oral, Unknown. 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 Polyvinylpyrrolidone & Levothyroxine Sodium reports are Dog (26 reports), with Dog accounting for the largest share. Within those species, Retriever - Labrador (8), Dog (unknown) (2), Retriever - Golden (2) 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 Polyvinylpyrrolidone & Levothyroxine Sodium are Vomiting (6), Seizure NOS (4), Lethargy (see also Central nervous system depression in 'Neurological') (4), Panting (3). Of the 26 reports with a coded outcome, Ongoing is the leading category at 53.8%. 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 Polyvinylpyrrolidone & Levothyroxine 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