Drug profile

The FDA adverse-event record for S-Adenosylmethionine/Silybin-Phosphatidylcholine Complex

44 adverse-event reports submitted to the FDA Center for Veterinary Medicine reference S-Adenosylmethionine/Silybin-Phosphatidylcholine Complex. See the species affected, top reactions, and outcomes below.

44
adverse-event reports
11.4%
death-coded share
Dog
most-reported species
17
Elevated alanine aminotransferase (ALT) - 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.
44
Total Reports
5
Deaths Reported
11.4%
Death Rate

Active Ingredients

S-Adenosylmethionine/Silybin-Phosphatidylcholine Complex

Administration Routes

OralUnknown

Species Affected

Dog 37
Cat 7

Most Affected Breeds

Domestic Shorthair 6
Retriever - Labrador 5
Maltese 3
Crossbred Canine/dog 3
Schnauzer (unspecified) 3
Great Pyrenees 2
Retriever - Golden 2
Dog (unknown) 2
Terrier - Boston 2
Domestic Longhair 1

Most Reported Reactions

Elevated alanine aminotransferase (ALT) 17
Elevated total bilirubin 10
Vomiting 8
Elevated serum alkaline phosphatase (SAP) 8
Lethargy (see also Central nervous system depression in 'Neurological') 7
Elevated creatinine 7
Weight loss 7
Elevated gamma-glutamyl transferase (GGT) 6
Diarrhoea 6
Behavioural disorder NOS 5
Anorexia 5
Lethargy (see also Central nervous system depression in Neurological) 5

Outcome Breakdown

Outcome Unknown
20 (45.5%)
Recovered/Normal
10 (22.7%)
Ongoing
9 (20.5%)
Died
4 (9.1%)
Euthanized
1 (2.3%)

S-Adenosylmethionine/Silybin-Phosphatidylcholine Complex Adverse Event Insights

44 reports name S-Adenosylmethionine/Silybin-Phosphatidylcholine Complex; 5 recorded a death outcome (11.4% of reported events, not a population-level mortality rate). Active ingredient: S-Adenosylmethionine/Silybin-Phosphatidylcholine Complex. Administration routes: Oral, Unknown.

By species: Dog (37 reports), Cat (7 reports). By breed: Domestic Shorthair (6), Retriever - Labrador (5), Maltese (3).

Leading clinical signs: Elevated alanine aminotransferase (ALT) (17), Elevated total bilirubin (10), Vomiting (8), Elevated serum alkaline phosphatase (SAP) (8). Outcome, 44 coded reports: Outcome Unknown leads at 45.5%.

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.