Reaction profile

The FDA adverse-event record for atelectasis

30 FDA reports name atelectasis, a lower-volume reaction in the CVM extract (VeDDRA 2749). Plate stamps and neighbourhood peers follow.

#1991 of 2,481
by report volume (all reactions)
30
reports citing this reaction
76.7%
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. Atelectasis has 30 reports now versus 30 in that prior snapshot: 0 the same number of (0.0%).

Report change
+0
Death-coded reports
+0
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 Atelectasis changes

FDA AER · VeDDRA plate

Code 2749 VOL-TRACE

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

  • VOL-TRACE 30 reports
  • DEATH-HOT 76.7%
  • LOWER-Q #1991/2481
  • PHOTO-FINISH Abnormal spermatozoa…
  • SPECIES-DOG Dog · 17
  • DRUG-LEAD Rabies Vaccine · 4
  • DESK-WIDE 20 breeds
  • BOOK-FULL 8/8 fields

Nearest volume peer: Abnormal spermatozoa NOS (±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 Atelectasis

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

Vomiting · highest174348Abnormal spermatozoa… · near30Atelectasis · this reaction30Bone marrow suppressi… · near30Chronic kidney disease · near30Congenital musculo-sk… · near30Urinary tract neoplas… · low…10
FDA AER report volume · neighbourhood around Atelectasis

Atelectasis: high death-coded share in the FDA AER plate

Signature read: Atelectasis's 76.7% death-coded share is among the highest in the openFDA reaction corpus. Report volume is lower-third scale: 30 named reports in the openFDA extract. Death-coded share is upper-third: 23 of 30 reports (76.7% of named reports). Nearest volume peer: Abnormal spermatozoa NOS (±0 reports). Lead species Dog (17). Lead co-reported drug Rabies Vaccine (4).

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

Dog 17
Cat 9
Cattle 4

Breeds Most Affected

Domestic Shorthair 8
Retriever - Golden 2
Beagle 1
Boxer (German Boxer) 1
Terrier - Bull - Staffordshire 1
Dachshund (unspecified) 1
Dachshund - Miniature 1
Aberdeen Angus 1
Papillon - Spaniel - Continental Toy (with erect ears or with dropped ears (Phaléne)) 1
Poodle - Standard 1

Associated Drugs

Rabies Vaccine 4
Isoflurane 4
Maropitant Citrate 3
Deracoxib 2
Afoxolaner 2
Oclacitinib Maleate 2
Cyclosporine 2
Eprinomectin 2
Moxidectin 2
Propofol 2
Canine Distemper-Adenovirus Type 2-Parainfluenza-Parvovirus Vaccine, Mlv, Leptospira Canicola-Grippotyphosa-Icterohaemorrhagiae-Pomona Bacterial Extract 2
Dexmedetomidine 2
Ketamine 2
Oxygen 2
Carprofen 2
Meloxicam 2
Diphenhydramine 2
Dexamethasone Sodium Phosphate 2
Velagliflozin Proline Monohydrate 2
Thiamazole 2

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 Atelectasis (#1991 of 2,481 by report volume); death-coded 76.7%. PlainBreed reaction plate · death-coded share stamp 76.7% · 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 →