Drug profile

The FDA adverse-event record for Probiotic Supplement

164 adverse-event reports submitted to the FDA Center for Veterinary Medicine reference Probiotic Supplement. See the species affected, top reactions, and outcomes below.

164
adverse-event reports
10.4%
death-coded share
Dog
most-reported species
38
Vomiting - 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.
164
Total Reports
17
Deaths Reported
10.4%
Death Rate

Active Ingredients

Probiotic Supplement

Administration Routes

OralUnknownOther

Species Affected

Dog 130
Cat 28
Cattle 5
Chicken 1

Most Affected Breeds

Domestic Shorthair 21
Retriever - Labrador 18
Retriever - Golden 10
Shepherd Dog - German 9
Shepherd Dog - Australian 6
Shih Tzu 5
Bulldog - French 5
Spaniel - Springer English 5
Terrier - Yorkshire 4
Greyhound 3

Most Reported Reactions

Vomiting 38
Diarrhoea 36
Lethargy (see also Central nervous system depression in 'Neurological') 17
Weight loss 15
Anorexia 13
Not eating 13
Other abnormal test result NOS 12
Behavioural disorder NOS 11
Death 10
Lethargy (see also Central nervous system depression in Neurological) 10
Emesis 8
Elevated alanine aminotransferase (ALT) 8

Outcome Breakdown

Outcome Unknown
56 (33.5%)
Recovered/Normal
51 (30.5%)
Ongoing
39 (23.4%)
Died
11 (6.6%)
Euthanized
6 (3.6%)
Recovered with Sequela
4 (2.4%)

Probiotic Supplement Adverse Event Insights

164 reports name Probiotic Supplement; 17 recorded a death outcome (10.4% of reported events, not a population-level mortality rate). Active ingredient: Probiotic Supplement. Administration routes: Oral, Unknown, Other.

By species: Dog (130 reports), Cat (28 reports), Cattle (5 reports). By breed: Domestic Shorthair (21), Retriever - Labrador (18), Retriever - Golden (10).

Leading clinical signs: Vomiting (38), Diarrhoea (36), Lethargy (see also Central nervous system depression in 'Neurological') (17), Weight loss (15). Outcome, 167 coded reports: Outcome Unknown leads at 33.5%.

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.