Drug profile

The FDA adverse-event record for S-Adenosylmethionine And Silybin

65 adverse-event reports submitted to the FDA Center for Veterinary Medicine reference S-Adenosylmethionine And Silybin. Species, reactions, and outcomes follow.

#974 of 2,679
by report volume (all drugs)
65
adverse-event reports
15.4%
death-coded share
Dog
most-reported species

Corpus placement

According to the FDA Center for Veterinary Medicine openFDA adverse-event extract, S-Adenosylmethionine And Silybin ranks #970 of 2679 by total reports (65) and #351 of 1130 by death-coded share (15.4%). National dual: Milbemycin Oxime + Spinosad is #1 of 2679 drugs by total adverse-event reports (149,624) at death-coded-share rank 965 of 1130 drugs with at least 50 reports (2.3%); separately, Atlantic Salmon Transgenic Whole (Opafp-Ghc2 Rdna Construct Inserted Into The A-Locus In The Eo-1A Lineage) is #1 highest death-coded share at 97.8% (report rank #821).

149,624
Milbemycin Oxime + Spinosad reports (#1)
97.8%
Atlantic Salmon Transgenic Whole (Opafp-Ghc2 Rdna Construct Inserted Into The A-Locus In The Eo-1A Lineage) death share (#1)
#970
This drug, reports of 2679
#351
This drug, death share of 1130

Report volume reflects how common a breed or drug is and how often owners and vets file — not actual risk. Death-coded share ranks are limited to entries with enough reports to be meaningful. The two maps do not agree at #1.

Release-over-release change

What changed in the latest FDA data snapshot

PlainBreed reconstructed the prior snapshot from dated openFDA partitions through 2025 Q4, then compared it with the 2026-07-27 openFDA export. S-Adenosylmethionine And Silybin has 65 reports now versus 63 in that prior snapshot: 2 more (3.2%).

Report change
+2
Death-coded reports
+0
Death-coded share
−0.5 pts

This compares reported-event counts in two source snapshots. It does not establish a change in real-world risk, product safety, or disease incidence.

Subscribe to S-Adenosylmethionine And Silybin changes

Signature read: death-coded report count at 10 is the most distinctive stamp on S-Adenosylmethionine And Silybin's FDA AER row.

Important: Adverse event reports do not establish that a drug caused or contributed to the event. Consult your veterinarian before making treatment decisions.
65
Total Reports
10
Deaths Reported
15.4%
Death-coded share of reports

Active Ingredients

S-Adenosylmethionine And Silybin

Administration Routes

OralUnknown

Species Affected

Dog 60
Cat 4
Lynx 1

Most Affected Breeds

Retriever - Labrador 9
Bichon Frise 4
Domestic Shorthair 4
Chihuahua 4
Shepherd Dog - German 4
Retriever - Golden 3
Poodle - Miniature 3
Spitz - German Pomeranian 2
Dachshund - Standard Smooth-haired 2
Shih Tzu 2

Most Reported Reactions

Diarrhoea 20
Vomiting 14
Elevated alanine aminotransferase (ALT) 10
Panting 9
Not eating 7
Seizure NOS 6
Death by euthanasia 6
Lethargy (see also Central nervous system depression in 'Neurological') 5
Bloody diarrhoea 5
Elevated total bilirubin 5
Behavioural disorder NOS 5
Weakness 4

Outcome Breakdown

Recovered/Normal
20 (30.8%)
Outcome Unknown
19 (29.2%)
Ongoing
16 (24.6%)
Euthanized
6 (9.2%)
Died
4 (6.2%)

S-Adenosylmethionine And Silybin Adverse Event Insights

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.

Nationwide drugs with similar profiles

Two openFDA-derived peer sets for S-Adenosylmethionine And Silybin, both floored at ≥50 reports so the neighborhoods stay in the advertised mass.

Similar report volume

Nearest other drugs by FDA report count (65 here).

Similar death-coded share

Nearest other drugs by death-coded share (15.4% here), distinct from the volume row.

What to do with this drug

  • Compare S-Adenosylmethionine And Silybin's report volume and death-coded share against similar drugs nationwide. See similar drugs
  • Read how death-coded share differs from a mortality rate before drawing conclusions. Understanding adverse events
  • Browse the full drug directory to compare report counts across products. All drugs

A report does not prove a drug caused the reaction; consult a veterinarian before acting on this data.

Source: FDA Center for Veterinary Medicine openFDA Animal & Veterinary Adverse Events (CVM AER) · 2025

openFDA Animal & Veterinary Adverse Events (FDA CVM) for S-Adenosylmethionine And Silybin (#974 of 2,679 by report volume); death-coded 15.4%. PlainBreed drug row · death-coded report count stamp 10 · vintage 2025.

Informational only. FDA adverse-event reports are voluntary and do not prove causation; consult a veterinarian before acting on them. Verify with FDA CVM →