Drug profile

The FDA adverse-event record for Potassium Supplement

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

20
adverse-event reports
20.0%
death-coded share
Cat
most-reported species
4
Weight loss - 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.
20
Total Reports
4
Deaths Reported
20.0%
Death Rate

Active Ingredients

Potassium Supplement

Administration Routes

UnknownOralSubcutaneous

Species Affected

Cat 14
Dog 6

Most Affected Breeds

Domestic Shorthair 11
Chihuahua 1
Collie - Border 1
Shih Tzu 1
Schipperke 1
Sheepdog (unspecified) 1
Cat (unknown) 1
Domestic Mediumhair 1
Retriever - Labrador 1
Maine Coon 1

Most Reported Reactions

Weight loss 4
Behavioural disorder NOS 3
Decreased appetite 3
Urinary incontinence 3
Lack of efficacy - NOS 3
Hypokalaemia 3
Other abnormal test result NOS 2
Vomiting 2
Increased percentage reticulocytes 2
Elevated alanine aminotransferase (ALT) 2
Neutrophilia 2
Diarrhoea 2

Outcome Breakdown

Ongoing
8 (40.0%)
Recovered/Normal
6 (30.0%)
Outcome Unknown
2 (10.0%)
Died
2 (10.0%)
Euthanized
2 (10.0%)

Potassium Supplement Adverse Event Insights

20 reports name Potassium Supplement; 4 recorded a death outcome (20.0% of reported events, not a population-level mortality rate). Active ingredient: Potassium Supplement. Administration routes: Unknown, Oral, Subcutaneous.

By species: Cat (14 reports), Dog (6 reports). By breed: Domestic Shorthair (11), Chihuahua (1), Collie - Border (1).

Leading clinical signs: Weight loss (4), Behavioural disorder NOS (3), Decreased appetite (3), Urinary incontinence (3). Outcome, 20 coded reports: Ongoing 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.