Drug profile

The FDA adverse-event record for Fludrocortisone

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

54
adverse-event reports
13.0%
death-coded share
Dog
most-reported species
13
Vomiting - 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.
54
Total Reports
7
Deaths Reported
13.0%
Death Rate

Active Ingredients

Fludrocortisone

Administration Routes

OralUnknown

Species Affected

Dog 54

Most Affected Breeds

Retriever - Labrador 11
Chihuahua 4
Poodle - Standard 4
Crossbred Canine/dog 3
Retriever - Golden 3
Poodle - Miniature 2
American Pit Bull Terrier 2
Shiba Inu 2
Poodle (unspecified) 2
Mastiff (unspecified) 2

Most Reported Reactions

Vomiting 13
High sodium-potassium ratio (Na:K ratio) 12
Lack of efficacy - NOS 10
Polydipsia 8
Diarrhoea 7
Weight gain 6
Other abnormal test result NOS 6
Panting 6
Lethargy (see also Central nervous system depression in 'Neurological') 6
Elevated blood urea nitrogen (BUN) 6
Hypokalaemia 6
Polyuria 6

Outcome Breakdown

Outcome Unknown
21 (40.4%)
Recovered/Normal
13 (25.0%)
Ongoing
11 (21.2%)
Euthanized
4 (7.7%)
Died
3 (5.8%)

Fludrocortisone Adverse Event Insights

54 reports name Fludrocortisone; 7 recorded a death outcome (13.0% of reported events, not a population-level mortality rate). Active ingredient: Fludrocortisone. Administration routes: Oral, Unknown.

By species: Dog (54 reports). By breed: Retriever - Labrador (11), Chihuahua (4), Poodle - Standard (4).

Leading clinical signs: Vomiting (13), High sodium-potassium ratio (Na:K ratio) (12), Lack of efficacy - NOS (10), Polydipsia (8). Outcome, 52 coded reports: Outcome Unknown leads at 40.4%.

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.