S-Adenosylmethionine And Silybin

Verify with FDA CVM →

60 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.
60
Total Reports
9
Deaths Reported
1500.0%
Death Rate

Active Ingredients

S-Adenosylmethionine And Silybin

Administration Routes

OralUnknown

Species Affected

Dog 55
Cat 4
Lynx 1

Most Affected Breeds

Retriever - Labrador 8
Bichon Frise 4
Domestic Shorthair 4
Chihuahua 4
Shepherd Dog - German 4
Retriever - Golden 3
Poodle - Miniature 3
Spitz - German Pomeranian 2
Shih Tzu 2
Crossbred Canine/dog 1

Most Reported Reactions

Diarrhoea 19
Vomiting 12
Panting 8
Elevated alanine aminotransferase (ALT) 8
Seizure NOS 5
Lethargy (see also Central nervous system depression in 'Neurological') 5
Bloody diarrhoea 5
Death by euthanasia 5
Not eating 5
Weakness 4
Lack of efficacy - NOS 4
Decreased appetite 4

Outcome Breakdown

Recovered/Normal
19 (31.7%)
Ongoing
16 (26.7%)
Outcome Unknown
16 (26.7%)
Euthanized
5 (8.3%)
Died
4 (6.7%)

Data Summary

Metric Value
Total adverse event reports 60
Reports involving death 9
Case-fatality rate (reported events) 1500.0%
Distinct species in reports 3
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.

S-Adenosylmethionine And Silybin Adverse Event Insights

The FDA Center for Veterinary Medicine database currently holds 60 adverse event reports referencing S-Adenosylmethionine And Silybin, including 9 reports in which the animal died — a 1500.0% case-fatality figure among reported events only, not a population-level mortality rate. Active ingredient on file: S-Adenosylmethionine And Silybin. 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 S-Adenosylmethionine And Silybin reports are Dog (55 reports), Cat (4 reports), Lynx (1 reports), with Dog accounting for the largest share. Within those species, Retriever - Labrador (8), Bichon Frise (4), Domestic Shorthair (4) 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 S-Adenosylmethionine And Silybin are Diarrhoea (19), Vomiting (12), Panting (8), Elevated alanine aminotransferase (ALT) (8). Of the 60 reports with a coded outcome, Recovered/Normal is the leading category at 31.7%. 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 S-Adenosylmethionine And Silybin.

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