Drug profile

The FDA adverse-event record for Streptococcus Equi Live Culture

16 adverse-event reports submitted to the FDA Center for Veterinary Medicine reference Streptococcus Equi Live Culture. See the species affected, top reactions, and outcomes below.

16
adverse-event reports
12.5%
death-coded share
Horse
most-reported species
5
Fever - 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.
16
Total Reports
2
Deaths Reported
12.5%
Death Rate

Active Ingredients

Streptococcus Equi Live Culture

Administration Routes

NasalIntramuscularUnknownOral

Species Affected

Horse 15
Unknown 1

Most Affected Breeds

Thoroughbred 3
Warmblood (unspecified) 2
Mustang 2
Horse (unknown) 1
Unknown 1
Pony of the Americas 1
Hanovarian 1
Quarter Horse 1
Warmblood - Dutch 1
Tennessee Walking Horse 1

Most Reported Reactions

Fever 5
Lethargy (see also Central nervous system depression in 'Neurological') 3
Injection site swelling 3
Colic 2
Decreased appetite 2
Nasal discharge 2
Weight loss 2
Death by euthanasia 2
Urticaria 1
Uncoded sign 1
Contamination NOS 1
Uveitis 1

Outcome Breakdown

Recovered/Normal
6 (40.0%)
Ongoing
4 (26.7%)
Outcome Unknown
3 (20.0%)
Died
1 (6.7%)
Euthanized
1 (6.7%)

Streptococcus Equi Live Culture Adverse Event Insights

16 reports name Streptococcus Equi Live Culture; 2 recorded a death outcome (12.5% of reported events, not a population-level mortality rate). Active ingredient: Streptococcus Equi Live Culture. Administration routes: Nasal, Intramuscular, Unknown, Oral.

By species: Horse (15 reports), Unknown (1 reports). By breed: Thoroughbred (3), Warmblood (unspecified) (2), Mustang (2).

Leading clinical signs: Fever (5), Lethargy (see also Central nervous system depression in 'Neurological') (3), Injection site swelling (3), Colic (2). Outcome, 15 coded reports: Recovered/Normal leads at 40.0%.

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.