Reaction profile

The FDA adverse-event record for pseudopregnancy

30 FDA reports name pseudopregnancy, a lower-volume reaction in the CVM extract (VeDDRA 766). Plate stamps and neighbourhood peers follow.

#2008 of 2,481
by report volume (all reactions)
30
reports citing this reaction
13.3%
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. Pseudopregnancy 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 Pseudopregnancy changes

FDA AER · VeDDRA plate

Code 766 VOL-TRACE

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

  • VOL-TRACE 30 reports
  • DEATH-ELEV 13.3%
  • LOWER-Q #2008/2481
  • PHOTO-FINISH Abnormal spermatozoa…
  • SPECIES-DOG Dog · 30
  • DRUG-LEAD Unspecified · 17
  • DESK-WIDE 20 breeds
  • BOOK-FULL 8/8 fields

Nearest volume peer: Abnormal spermatozoa NOS (±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 Pseudopregnancy

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

Vomiting · highest174348Abnormal spermatozoa… · near30Atelectasis · near30Bone marrow suppressi… · near30Chronic kidney disease · near30Pseudopregnancy · this react…30Urinary tract neoplas… · low…10
FDA AER report volume · neighbourhood around Pseudopregnancy

What the FDA AER plate says about Pseudopregnancy

Signature read: 30 reports place Pseudopregnancy in the lower third of FDA AER volume (#2008 of 2,481). Report volume is lower-third scale: 30 named reports in the openFDA extract. 4 of 30 reports were death-coded (13.3% of named reports, not a population mortality rate). Nearest volume peer: Abnormal spermatozoa NOS (±0 reports). Lead species Dog (30). Lead co-reported drug Unspecified (17).

Read these counts as reporting volume, not risk: per our methodology, Lead co-reported drug Unspecified 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 30

Breeds Most Affected

Pit Bull 3
Beagle 3
Shepherd Dog - German 2
Dachshund - Miniature 2
Dog (unknown) 2
Terrier - Welsh 1
Terrier - Airedale 1
Retriever - Golden 1
Retriever - Labrador 1
Collie (unspecified) 1

Associated Drugs

Unspecified 17
Milbemycin Oxime + Spinosad 6
Fluralaner 13.64% 12-Week Chew 5
Oclacitinib Maleate 4
Spinosad 3
Milbemycin Oxime 2
Afoxolaner 2
Milbemycin Oxime + Praziquantel 2
Prednisone 2
Propofol 2
Amoxicillin Trihydrate;Clavulanate Potassium ( K-Clavulanate) 2
Meloxicam 2
Bordetella Vaccine 1
Imidacloprid + Moxidectin 1
Steroid (Unknown) 1
Distemper Vaccine 1
Genta/Momet/Clotrim Ear Oint 1
Fluralaner Chew Tablets 1
Desoxycortone 1
Fluralaner 5.46% 1-Month Chew 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 Pseudopregnancy (#2008 of 2,481 by report volume); death-coded 13.3%. PlainBreed reaction plate · report volume stamp 30 · 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 →