Drug profile

The FDA adverse-event record for Sometribove

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

556
adverse-event reports
4.7%
death-coded share
Cattle
most-reported species
168
INEFFECTIVE, PRODUCTION (MILK) - 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.
556
Total Reports
26
Deaths Reported
4.7%
Death Rate

Active Ingredients

Sometribove

Administration Routes

UnknownParenteralSubcutaneousOralCutaneous

Species Affected

Cattle 422
Unknown 118
Human 16

Most Affected Breeds

Holstein-Friesian also known as Holstein 257
Unknown 134
Cattle (unknown) 68
Jersey 30
Crossbred Bovine/Cattle 27
Mixed (Cattle) 26
Cattle (other) 3
Guernsey 2
Holstein-Friesian - French Black Pied 2
Shorthorn - Milking 2

Most Reported Reactions

INEFFECTIVE, PRODUCTION (MILK) 168
Milk production decrease 76
Product syringe issue 71
Mastitis NOS 59
Product problem 57
Alteration of milk quality 46
Lack of efficacy - NOS 38
Syringe, Abnormal 24
Death 23
Mammary gland disorder NOS 20
Abnormal number of offspring 18
Reduced conception rate 17

Outcome Breakdown

Outcome Unknown
288 (68.9%)
Recovered/Normal
76 (18.2%)
Died
24 (5.7%)
Ongoing
16 (3.8%)
Recovered with Sequela
12 (2.9%)
Euthanized
2 (0.5%)

Sometribove Adverse Event Insights

556 reports name Sometribove; 26 recorded a death outcome (4.7% of reported events, not a population-level mortality rate). Active ingredient: Sometribove. Administration routes: Unknown, Parenteral, Subcutaneous, Oral.

By species: Cattle (422 reports), Unknown (118 reports), Human (16 reports). By breed: Holstein-Friesian also known as Holstein (257), Unknown (134), Cattle (unknown) (68).

Leading clinical signs: INEFFECTIVE, PRODUCTION (MILK) (168), Milk production decrease (76), Product syringe issue (71), Mastitis NOS (59). Outcome, 418 coded reports: Outcome Unknown leads at 68.9%.

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.