Drug profile

The FDA adverse-event record for Furosemide Injection

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

242
adverse-event reports
3.3%
death-coded share
Unknown
most-reported species
137
Color, Abnormal - 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.
242
Total Reports
8
Deaths Reported
3.3%
Death Rate

Active Ingredients

Furosemide Injection

Administration Routes

UnknownIntravenousIntramuscular

Species Affected

Unknown 217
Dog 12
Horse 9
Cat 3
Pig 1

Most Affected Breeds

Unknown 218
Thoroughbred 4
Spitz - German Pomeranian 3
Domestic Shorthair 2
Standardbred - American 2
Quarter Horse 2
Pointing Dog - German Short-haired 1
Terrier (unspecified) 1
Cat (unknown) 1
Crossbred Canine/dog 1

Most Reported Reactions

Color, Abnormal 137
Uncoded sign 81
Precipitate, Sediment 65
Product problem 64
Appearance, Abnormal 60
Solution/Suspension, crystals 28
Suspension, Abnormal 15
Contamination, Particulate Matter 13
Solution, Abnormal 11
Lack of efficacy - NOS 9
Death by euthanasia 4
Death 4

Outcome Breakdown

Recovered/Normal
10 (40.0%)
Euthanized
4 (16.0%)
Died
4 (16.0%)
Outcome Unknown
3 (12.0%)
Ongoing
3 (12.0%)
Recovered with Sequela
1 (4.0%)

Furosemide Injection Adverse Event Insights

242 reports name Furosemide Injection; 8 recorded a death outcome (3.3% of reported events, not a population-level mortality rate). Active ingredient: Furosemide Injection. Administration routes: Unknown, Intravenous, Intramuscular.

By species: Unknown (217 reports), Dog (12 reports), Horse (9 reports). By breed: Unknown (218), Thoroughbred (4), Spitz - German Pomeranian (3).

Leading clinical signs: Color, Abnormal (137), Uncoded sign (81), Precipitate, Sediment (65), Product problem (64). Outcome, 25 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.