Reaction profile

The FDA adverse-event record for elevated alanine aminotransferase (alt)

15,967 FDA reports name elevated alanine aminotransferase (alt), a high-volume reaction in the CVM extract (VeDDRA 2050). Plate stamps and neighbourhood peers follow.

#26 of 2,481
by report volume (all reactions)
15,967
reports citing this reaction
16.8%
death-coded share
Dog
most-affected species

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. Elevated alanine aminotransferase (ALT) has 15,967 reports now versus 15,700 in that prior snapshot: 267 more (1.7%).

Report change
+267
Death-coded reports
+39
Death-coded share
−0.0 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 Elevated alanine aminotransferase (ALT) changes

FDA AER · VeDDRA plate

Code 2050 VOL-HIGH

VOL-HIGH · DEATH-ELEV · TOP-DECILE · PHOTO-FINISH · SPECIES-DOG · DRUG-LEAD · DESK-WIDE · BOOK-FULL

  • VOL-HIGH 15,967 reports
  • DEATH-ELEV 16.8%
  • TOP-DECILE #26/2481
  • PHOTO-FINISH Tablets, Abnormal
  • SPECIES-DOG Dog · 14,244
  • DRUG-LEAD Carprofen · 3,218
  • DESK-WIDE 20 breeds
  • BOOK-FULL 8/8 fields

Nearest volume peer: Tablets, Abnormal (±221 reports)

Upper-third report volume drives the scale stamps on this plate; death-coded share and co-report peers follow. Not a clinical diagnosis.

High-volume neighbourhood around Elevated alanine aminotransferase

Upper-third volume poles plus nearest peers, not a full reaction corpus board reprint.

Vomiting · highest174348Pruritus · near17227Lack of efficacy (ect… · near16245Tablets, Abnormal · near16188Elevated alanine amin… · thi…15967Panting · near15046Urinary tract neoplas… · low…10
FDA AER report volume · neighbourhood around Elevated alanine aminotransferase (ALT)

What the FDA AER plate says about Elevated alanine aminotransferase (ALT)

Signature read: 2,677 death-coded reports is a heavy tail count for Elevated alanine aminotransferase (ALT) in the CVM extract. Report volume is upper-third scale: 15,967 named reports in the openFDA extract. 2,677 of 15,967 reports were death-coded (16.8% of named reports, not a population mortality rate). Nearest volume peer: Tablets, Abnormal (±221 reports). Lead species Dog (14,244). Lead co-reported drug Carprofen (3,218).

Read these counts as reporting volume, not risk: per our methodology, Lead co-reported drug Carprofen appears in filings alongside this reaction; that is association, not causation. Browse the full reactions index or the about page for how PlainBreed frames FDA CVM extracts.

Species Most Affected

Dog 14,244
Cat 1,695
Human 10
Horse 7
Ferret 3
Cattle 3
Rabbit 1
Other Canids 1
Other 1
Other Rodents 1

Breeds Most Affected

Retriever - Labrador 2,544
Crossbred Canine/dog 1,093
Domestic Shorthair 1,022
Chihuahua 640
Retriever - Golden 481
Shih Tzu 435
Shepherd Dog - German 363
Terrier - Yorkshire 353
Maltese 334
Beagle 313

Associated Drugs

Carprofen 3,218
Trilostane 1,979
Milbemycin Oxime + Spinosad 1,220
Maropitant Citrate 1,209
Oclacitinib Maleate 1,150
Moxidectin 743
Gabapentin 666
Afoxolaner 646
Bedinvetmab 612
Prednisone 533
Grapiprant 523
Fluralaner Chew Tablets 452
Spinosad 439
Ivermectin + Pyrantel As Pamoate Salt 425
Meloxicam 382
Melarsomine Dihydrochloride 359
Famotidine 357
Metronidazole 355
Tramadol 337
Pyrantel Pamoate;Sarolaner 332

Nationwide reactions with similar profiles

Two openFDA-derived peer sets for Elevated alanine aminotransferase (ALT), both floored at ≥50 reports so the neighborhoods stay in the advertised mass (the volume chart above is the unfloored photo-finish strip).

Similar report volume

Nearest other reactions by FDA report count (15,967 here).

Similar death-coded share

Nearest other reactions by death-coded share (16.8% here), distinct from the volume row.

What to do with this reaction

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 Elevated alanine aminotransferase (ALT) (#26 of 2,481 by report volume); death-coded 16.8%. PlainBreed reaction plate · death-coded report count stamp 2,677 · 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 →