Drug profile

The FDA adverse-event record for Potassium Supplement (Unknown)

31 adverse-event reports submitted to the FDA Center for Veterinary Medicine reference Potassium Supplement (Unknown). Species, reactions, and outcomes follow.

#1435 of 2,679
by report volume (all drugs)
31
adverse-event reports
12.9%
death-coded share
Cat
most-reported species
Verify with FDA CVM →

Corpus placement

According to the FDA Center for Veterinary Medicine openFDA adverse-event extract, Potassium Supplement (Unknown) ranks #1412 of 2679 by total reports (31). Death-coded-share rank requires at least 50 reports. National dual: Milbemycin Oxime + Spinosad is #1 of 2679 drugs by total adverse-event reports (149,624) at death-coded-share rank 965 of 1130 drugs with at least 50 reports (2.3%); separately, Atlantic Salmon Transgenic Whole (Opafp-Ghc2 Rdna Construct Inserted Into The A-Locus In The Eo-1A Lineage) is #1 highest death-coded share at 97.8% (report rank #821).

149,624
Milbemycin Oxime + Spinosad reports (#1)
97.8%
Atlantic Salmon Transgenic Whole (Opafp-Ghc2 Rdna Construct Inserted Into The A-Locus In The Eo-1A Lineage) death share (#1)
#1412
This drug, reports of 2679

Report volume reflects how common a breed or drug is and how often owners and vets file — not actual risk. Death-coded share ranks are limited to entries with enough reports to be meaningful. The two maps do not agree at #1.

Release-over-release change

What changed in the latest FDA data snapshot

PlainBreed reconstructed the prior snapshot from dated openFDA partitions through 2025 Q4, then compared it with the 2026-07-27 openFDA export. Potassium Supplement (Unknown) has 31 reports now versus 29 in that prior snapshot: 2 more (6.9%).

Report change
+2
Death-coded reports
+0
Death-coded share
−0.9 pts

This compares reported-event counts in two source snapshots. It does not establish a change in real-world risk, product safety, or disease incidence.

Subscribe to Potassium Supplement (Unknown) changes

Signature read: death-coded share at 12.9% is the most distinctive stamp on Potassium Supplement (Unknown)'s FDA AER row.

Important: Adverse event reports do not establish that a drug caused or contributed to the event. Consult your veterinarian before making treatment decisions.
31
Total Reports
4
Deaths Reported
12.9%
Death-coded share of reports

Active Ingredients

Potassium Supplement (Unknown)

Administration Routes

UnknownOralSubcutaneous

Species Affected

Cat 27
Dog 2
Human 1
Unknown 1

Most Affected Breeds

Domestic Shorthair 20
Unknown 2
Domestic Longhair 2
Schnauzer (unspecified) 1
Maine Coon 1
Terrier - Jack Russell 1
Persian 1
Domestic Mediumhair 1
Burmese 1
Cat (unknown) 1

Most Reported Reactions

Hypokalaemia 9
Vomiting 7
Decreased haematocrit 6
Weight loss 6
Elevated blood urea nitrogen (BUN) 5
Elevated creatinine 5
Hyperglycaemia 5
Lack of efficacy - NOS 4
Behavioural disorder NOS 4
Not eating 4
Death by euthanasia 4
Elevated alanine aminotransferase (ALT) 4

Outcome Breakdown

Ongoing
10 (33.3%)
Outcome Unknown
9 (30.0%)
Recovered/Normal
7 (23.3%)
Euthanized
4 (13.3%)

Potassium Supplement (Unknown) Adverse Event Insights

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.

What to do with this drug

A report does not prove a drug caused the reaction; consult a veterinarian before acting on this data.

Source: FDA Center for Veterinary Medicine openFDA Animal & Veterinary Adverse Events (CVM AER) · 2025

openFDA Animal & Veterinary Adverse Events (FDA CVM) for Potassium Supplement (Unknown) (#1435 of 2,679 by report volume); death-coded 12.9%. PlainBreed drug row · death-coded share stamp 12.9% · vintage 2025.

Informational only. FDA adverse-event reports are voluntary and do not prove causation; consult a veterinarian before acting on them. Verify with FDA CVM →