Reaction profile

The FDA adverse-event record for loss of voice

35 FDA reports name loss of voice, a lower-volume reaction in the CVM extract (VeDDRA 1267). Plate stamps and neighbourhood peers follow.

#1922 of 2,481
by report volume (all reactions)
35
reports citing this reaction
28.6%
death-coded share
Cat
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. Loss of voice has 35 reports now versus 34 in that prior snapshot: 1 more (2.9%).

Report change
+1
Death-coded reports
+1
Death-coded share
+2.1 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 Loss of voice changes

FDA AER · VeDDRA plate

Code 1267 VOL-TRACE

VOL-TRACE · DEATH-HOT · LOWER-Q · PHOTO-FINISH · SPECIES-CAT · DRUG-LEAD · DESK-WIDE · BOOK-FULL

  • VOL-TRACE 35 reports
  • DEATH-HOT 28.6%
  • LOWER-Q #1922/2481
  • PHOTO-FINISH CARBON DIOXIDE LOW, B…
  • SPECIES-CAT Cat · 16
  • DRUG-LEAD Supplement · 3
  • DESK-WIDE 20 breeds
  • BOOK-FULL 8/8 fields

Nearest volume peer: CARBON DIOXIDE LOW, BLOOD (±0 reports)

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

Lower-volume neighbourhood around Loss of voice

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

Vomiting · highest174348CARBON DIOXIDE LOW, B… · near35Cerebral oedema · near35Comedo/blackhead · near35Gastric torsion · near35Loss of voice · this reaction35Urinary tract neoplas… · low…10
FDA AER report volume · neighbourhood around Loss of voice

Loss of voice: high death-coded share in the FDA AER plate

Signature read: 35 reports place Loss of voice in the lower third of FDA AER volume (#1922 of 2,481). Report volume is lower-third scale: 35 named reports in the openFDA extract. Death-coded share is upper-third: 10 of 35 reports (28.6% of named reports). Nearest volume peer: CARBON DIOXIDE LOW, BLOOD (±0 reports). Lead species Cat (16). Lead co-reported drug Supplement (3).

Read these counts as reporting volume, not risk: per our methodology, A high death-coded share in FDA filings does not prove causation; co-reporting is voluntary temporal association only. Browse the full reactions index or the about page for how PlainBreed frames FDA CVM extracts.

Species Most Affected

Cat 16
Dog 16
Human 2
Turkey 1

Breeds Most Affected

Domestic Shorthair 12
Unknown 2
Retriever - Labrador 2
Chihuahua 2
Himalayan 1
Chow Chow 1
Cat (unknown) 1
Domestic Mediumhair 1
Terrier - Yorkshire 1
Dog (unknown) 1

Associated Drugs

Supplement 3
Afoxolaner 3
Bedinvetmab 3
Frunevetmab 3
Spinosad 2
Maropitant Citrate 2
Thiamazole 2
Imidacloprid + Moxidectin 2
Verdinexor 2
Tilmicosin Phosphate 1
Tresaderm Dermatological Solution 1
Glucosamine 1
Heartworm Prevention (Unknown) 1
Cyclosporine A 1
Febantel + Praziquantel + Pyrantel Pamoate 1
Vitamin 1
Veterinary Diet 1
Probiotic 1
Lysine 1
Prednisolone 1

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 Loss of voice (#1922 of 2,481 by report volume); death-coded 28.6%. PlainBreed reaction plate · report volume stamp 35 · 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 →