Drug profile

The FDA adverse-event record for Gamithromycin 15% Solution For Injection

58 adverse-event reports submitted to the FDA Center for Veterinary Medicine reference Gamithromycin 15% Solution For Injection. See the species affected, top reactions, and outcomes below.

58
adverse-event reports
32.8%
death-coded share
Cattle
most-reported species
15
Death - 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.
58
Total Reports
19
Deaths Reported
32.8%
Death Rate

Active Ingredients

Gamithromycin 15% Solution For Injection

Administration Routes

SubcutaneousUnknownParenteralIntramuscularOther

Species Affected

Cattle 41
Human 9
Unknown 3
Pig 2
Sheep 2
Goat 1

Most Affected Breeds

Holstein-Friesian also known as Holstein 18
Unknown 12
Crossbred Bovine/Cattle 7
Aberdeen Angus 5
Cattle (unknown) 3
Charolais 2
Cattle (other) 2
Crossbred Porcine/Pig 2
Hereford cattle 2
Sheep (unknown) 2

Most Reported Reactions

Death 15
Injection site swelling 12
Lack of efficacy (bacteria) - NOS 10
Lack of efficacy - NOS 7
Injection site pain 6
Lameness 5
Cough 5
Skin lesion NOS 4
Fever 4
Pneumonia 4
Respiratory signs 4
Pain NOS 3

Outcome Breakdown

Outcome Unknown
27 (44.3%)
Died
18 (29.5%)
Recovered/Normal
11 (18.0%)
Ongoing
3 (4.9%)
Euthanized
2 (3.3%)

Gamithromycin 15% Solution For Injection Adverse Event Insights

58 reports name Gamithromycin 15% Solution For Injection; 19 recorded a death outcome (32.8% of reported events, not a population-level mortality rate). Active ingredient: Gamithromycin 15% Solution For Injection. Administration routes: Subcutaneous, Unknown, Parenteral, Intramuscular.

By species: Cattle (41 reports), Human (9 reports), Unknown (3 reports). By breed: Holstein-Friesian also known as Holstein (18), Unknown (12), Crossbred Bovine/Cattle (7).

Leading clinical signs: Death (15), Injection site swelling (12), Lack of efficacy (bacteria) - NOS (10), Lack of efficacy - NOS (7). Outcome, 61 coded reports: Outcome Unknown leads at 44.3%.

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.