Reaction profile

The FDA adverse-event record for dysphonia

10 FDA reports name dysphonia, a lower-volume reaction in the CVM extract (VeDDRA 1268). Plate stamps and neighbourhood peers follow.

#2452 of 2,481
by report volume (all reactions)
10
reports citing this reaction
10.0%
death-coded share
Dog
most-affected species

FDA AER · VeDDRA plate

Code 1268 VOL-TRACE

VOL-TRACE · DEATH-ELEV · BOTTOM-DECILE · PHOTO-FINISH · SPECIES-DOG · DRUG-LEAD · DESK-MID · BOOK-FULL

  • VOL-TRACE 10 reports
  • DEATH-ELEV 10.0%
  • BOTTOM-DECILE #2452/2481
  • PHOTO-FINISH Anoxia
  • SPECIES-DOG Dog · 7
  • DRUG-LEAD Lotilaner · 8
  • DESK-MID 6 breeds
  • BOOK-FULL 8/8 fields

Nearest volume peer: Anoxia (±0 reports)

Instrument codes from this reaction’s FDA CVM adverse-event extract: volume band, death-coded share, corpus rank, photo-finish peer, lead species, lead drug, breed desk, and book completeness. Not a clinical diagnosis.

Lower-volume neighbourhood around Dysphonia

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

Vomiting · highest174348Anoxia · near10Blackout · near10BLOOD CHEMISTRY ABNOR… · near10Bronchial secretion · near10Dysphonia · this reaction10Urinary tract neoplas… · low…10
FDA AER report volume · neighbourhood around Dysphonia

What the FDA AER plate says about Dysphonia

Signature read: 10 reports place Dysphonia in the lower third of FDA AER volume (#2452 of 2,481). Report volume is lower-third scale: 10 named reports in the openFDA extract. 1 of 10 reports were death-coded (10.0% of named reports, not a population mortality rate). Nearest volume peer: Anoxia (±0 reports). Lead species Dog (7). Lead co-reported drug Lotilaner (8).

Read these counts as reporting volume, not risk: per our methodology, Lead co-reported drug Lotilaner 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 7
Cat 3

Breeds Most Affected

Retriever - Labrador 4
Domestic Longhair 2
Spaniel - Springer (unspecified) 1
Shepherd Dog - Australian 1
Domestic Shorthair 1
Crossbred Canine/dog 1

Associated Drugs

Lotilaner 8
Bordetella Vaccine 3
Butorphanol 2
Ilunocitinib 2
Canine Distemper-Adenovirus Type 2-Parainfluenza-Parvovirus Vaccine, Mlv, Borrelia Burgdorferi Bacterin-Lepto Cani-Grippo-Ictero-Pomona Bacterial Extract 2
Canine Distemper + Adenovirus Type 2 + Coronavirus + Parainfluenza + Parvovirus Vaccine 2
Milbemycin Oxime + Lufenuron + Praziquantel 2
Canine Distemper Virus + Adenovirus Type 2 Parvovirus + Parainfluenza Virus + Leptospirosis 2
Lyme Vaccine 2
Rabies Vaccine 2
Microchip 2
Tobramycin Ophthalmic 2
Doxycycline 2
Carprofen 2
Fenbendazole 2
Omega-3 Fatty Acids 2
Skin Treatment (Unknown) 2
Tiletamine Hcl; Zolazapam Hcl 1
Fluralaner Spot-On Solution 1
Imidacloprid + Moxidectin 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 Dysphonia (#2452 of 2,481 by report volume); death-coded 10.0%. PlainBreed reaction plate · report volume stamp 10 · 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 →