Drug profile

The FDA adverse-event record for Unknown Manufacturer Furosemide

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

11
adverse-event reports
27.3%
death-coded share
Dog
most-reported species
6
Diarrhoea - 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
3
Deaths Reported
27.3%
Death Rate

Active Ingredients

Unknown Manufacturer Furosemide

Administration Routes

OralUnknown

Species Affected

Dog 11

Most Affected Breeds

Chihuahua 6
Terrier - Yorkshire 2
Spaniel - King Charles Cavalier 1
Crossbred Canine/dog 1
Dachshund (unspecified) 1

Most Reported Reactions

Diarrhoea 6
Weight loss 3
Lethargy (see also Central nervous system depression in 'Neurological') 3
INEFFECTIVE, OTHER DRUG(S) 2
Drug administration error 2
Vomiting 2
Bloody diarrhoea 2
Syncope 2
Not eating 2
Heart block 2nd degree 2
Bradycardia 2
Pale mucous membrane 2

Outcome Breakdown

Outcome Unknown
3 (27.3%)
Recovered/Normal
3 (27.3%)
Ongoing
2 (18.2%)
Died
2 (18.2%)
Euthanized
1 (9.1%)

Unknown Manufacturer Furosemide Adverse Event Insights

11 reports name Unknown Manufacturer Furosemide; 3 recorded a death outcome (27.3% of reported events, not a population-level mortality rate). Active ingredient: Unknown Manufacturer Furosemide. Administration routes: Oral, Unknown.

By species: Dog (11 reports). By breed: Chihuahua (6), Terrier - Yorkshire (2), Spaniel - King Charles Cavalier (1).

Leading clinical signs: Diarrhoea (6), Weight loss (3), Lethargy (see also Central nervous system depression in 'Neurological') (3), INEFFECTIVE, OTHER DRUG(S) (2). Outcome, 11 coded reports: Outcome Unknown leads at 27.3%.

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.