Reaction profile

The FDA adverse-event record for loss of smell

59 FDA reports name loss of smell, a lower-volume reaction in the CVM extract (VeDDRA 1592). Plate stamps and neighbourhood peers follow.

#1660 of 2,481
by report volume (all reactions)
59
reports citing this reaction
18.6%
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. Loss of smell has 59 reports now versus 57 in that prior snapshot: 2 more (3.5%).

Report change
+2
Death-coded reports
+0
Death-coded share
−0.7 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 smell changes

FDA AER · VeDDRA plate

Code 1592 VOL-LOW

VOL-LOW · DEATH-ELEV · MID-PACK · PHOTO-FINISH · SPECIES-DOG · DRUG-LEAD · DESK-WIDE · BOOK-FULL

  • VOL-LOW 59 reports
  • DEATH-ELEV 18.6%
  • MID-PACK #1660/2481
  • PHOTO-FINISH Hypoaesthesia
  • SPECIES-DOG Dog · 43
  • DRUG-LEAD Cefovecin · 6
  • DESK-WIDE 20 breeds
  • BOOK-FULL 8/8 fields

Nearest volume peer: Hypoaesthesia (±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 Loss of smell

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

Vomiting · highest174348Hypoaesthesia · near59Hyposensitivity to pa… · near59Injection site fibros… · near59Loss of smell · this reaction59Low free thyroxine (F… · near59Urinary tract neoplas… · low…10
FDA AER report volume · neighbourhood around Loss of smell

What the FDA AER plate says about Loss of smell

Signature read: report volume at 59 (#1660 of 2,481) is the standout scale stamp on Loss of smell. Report volume is lower-third scale: 59 named reports in the openFDA extract. 11 of 59 reports were death-coded (18.6% of named reports, not a population mortality rate). Nearest volume peer: Hypoaesthesia (±0 reports). Lead species Dog (43). Lead co-reported drug Cefovecin (6).

Read these counts as reporting volume, not risk: per our methodology, Lead co-reported drug Cefovecin 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 43
Cat 16

Breeds Most Affected

Domestic Shorthair 9
Retriever - Labrador 4
Terrier - Jack Russell 4
Crossbred Canine/dog 3
Papillon - Spaniel - Continental Toy (with erect ears or with dropped ears (Phaléne)) 2
Shepherd Dog - German 2
Chihuahua 2
Dog (unknown) 2
Siamese 2
Terrier - Scottish 1

Associated Drugs

Cefovecin 6
Maropitant Citrate 6
Oclacitinib Maleate 5
Spinosad 4
Carprofen 4
Trilostane 4
Mirtazapine 3
Gabapentin 3
Pyrantel Pamoate;Sarolaner 3
Bedinvetmab 3
Isoflurane 2
Milbemycin Oxime + Spinosad 2
Fluralaner Chew Tablets 2
Fluralaner 13.64% 12-Week Chew 2
Buprenorphine 2
Frunevetmab 2
Fluoxetine Hydrochloride 2
Meloxicam 1
Dirlotapide 1
Tiletamine, Zolazepam 1

Nationwide reactions with similar profiles

Two openFDA-derived peer sets for Loss of smell, 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 (59 here).

Similar death-coded share

Nearest other reactions by death-coded share (18.6% 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 Loss of smell (#1660 of 2,481 by report volume); death-coded 18.6%. PlainBreed reaction plate · report volume stamp 59 · 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 →