Drug profile

The FDA adverse-event record for Past Mult / M Haem Cattle Lb

45 adverse-event reports submitted to the FDA Center for Veterinary Medicine reference Past Mult / M Haem Cattle Lb. See the species affected, top reactions, and outcomes below.

45
adverse-event reports
93.3%
death-coded share
Cattle
most-reported species
36
Death - top reaction
Verify with FDA CVM →
Important: Adverse event reports do not establish that a drug caused or contributed to the event. Consult your veterinarian before making treatment decisions.
45
Total Reports
42
Deaths Reported
93.3%
Death Rate

Active Ingredients

Past Mult / M Haem Cattle Lb

Administration Routes

NasalSubcutaneousUnknownIntramuscular

Species Affected

Cattle 45

Most Affected Breeds

Cattle (other) 22
Aberdeen Angus 9
Crossbred Bovine/Cattle 6
Holstein-Friesian also known as Holstein 4
Red Angus 1
Mixed (Cattle) 1
Cattle (unknown) 1
Cattle (unspecified) 1

Most Reported Reactions

Death 36
Lack of efficacy - NOS 29
INEFFECTIVE, ANTIBIOTIC 8
Respiratory signs 5
Lack of efficacy (bacteria) - NOS 4
Death by euthanasia 4
Found dead 3
DEATH-TREATMENT FAILURE 2
Abnormal test result 2
Bloated 2
Lack of efficacy (endoparasite NOS) 2
Liver abscess 2

Outcome Breakdown

Died
41 (36.3%)
Ongoing
37 (32.7%)
Recovered/Normal
27 (23.9%)
Outcome Unknown
4 (3.5%)
Euthanized
4 (3.5%)

Past Mult / M Haem Cattle Lb Adverse Event Insights

45 reports name Past Mult / M Haem Cattle Lb; 42 recorded a death outcome (93.3% of reported events, not a population-level mortality rate). Active ingredient: Past Mult / M Haem Cattle Lb. Administration routes: Nasal, Subcutaneous, Unknown, Intramuscular.

By species: Cattle (45 reports). By breed: Cattle (other) (22), Aberdeen Angus (9), Crossbred Bovine/Cattle (6).

Leading clinical signs: Death (36), Lack of efficacy - NOS (29), INEFFECTIVE, ANTIBIOTIC (8), Respiratory signs (5). Outcome, 113 coded reports: Died leads at 36.3%.

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.