Drug profile

The FDA adverse-event record for Clostridium Chauvoei, Strain F, Lot No. 2-84;Clostridium Haemolyticum, Strain Ir

11 adverse-event reports submitted to the FDA Center for Veterinary Medicine reference Clostridium Chauvoei, Strain F, Lot No. 2-84;Clostridium Haemolyticum, Strain Ir. See the species affected, top reactions, and outcomes below.

11
adverse-event reports
90.9%
death-coded share
Cattle
most-reported species
6
Necropsy performed - 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.
11
Total Reports
10
Deaths Reported
90.9%
Death Rate

Active Ingredients

Clostridium Chauvoei, Strain F, Lot No. 2-84;Clostridium Haemolyticum, Strain Ir

Administration Routes

Subcutaneous

Species Affected

Cattle 11

Most Affected Breeds

Aberdeen Angus 4
Cattle (other) 3
Crossbred Bovine/Cattle 2
Mixed (Cattle) 2

Most Reported Reactions

Necropsy performed 6
Lack of efficacy (bacteria) - NOS 5
Death 4
Death by euthanasia 3
Injection site swelling 3
Found dead 3
Anaphylaxis 3
Injection site abscess 2
Limping 2
Myositis 2
Injection site gaseous gangrene 2
Downer animal 2

Outcome Breakdown

Died
9 (50.0%)
Euthanized
3 (16.7%)
Outcome Unknown
3 (16.7%)
Ongoing
2 (11.1%)
Recovered/Normal
1 (5.6%)

Clostridium Chauvoei, Strain F, Lot No. 2-84;Clostridium Haemolyticum, Strain Ir Adverse Event Insights

11 reports name Clostridium Chauvoei, Strain F, Lot No. 2-84;Clostridium Haemolyticum, Strain Ir; 10 recorded a death outcome (90.9% of reported events, not a population-level mortality rate). Active ingredient: Clostridium Chauvoei, Strain F, Lot No. 2-84;Clostridium Haemolyticum, Strain Ir. Administration route: Subcutaneous.

By species: Cattle (11 reports). By breed: Aberdeen Angus (4), Cattle (other) (3), Crossbred Bovine/Cattle (2).

Leading clinical signs: Necropsy performed (6), Lack of efficacy (bacteria) - NOS (5), Death (4), Death by euthanasia (3). Outcome, 18 coded reports: Died leads at 50.0%.

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.