Reaction profile

The FDA adverse-event record for abortion

294 FDA adverse-event reports reference abortion (VeDDRA 775). Plate codes and volume neighbourhood below; species, breeds, and drugs follow.

#871 of 2,481
by report volume (all reactions)
294
reports citing this reaction
28.6%
death-coded share
Cattle
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. Abortion has 294 reports now versus 292 in that prior snapshot: 2 more (0.7%).

Report change
+2
Death-coded reports
+1
Death-coded share
+0.1 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 Abortion changes

FDA AER · VeDDRA plate

Code 775 VOL-LOW

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

  • VOL-LOW 294 reports
  • DEATH-HOT 28.6%
  • MID-PACK #871/2481
  • PHOTO-FINISH Exercise intolerance
  • SPECIES-CATTLE Cattle · 186
  • DRUG-LEAD Monensin Sodium · 34
  • DESK-WIDE 20 breeds
  • BOOK-FULL 8/8 fields

Nearest volume peer: Exercise intolerance (±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.

Report-volume neighbourhood around Abortion

Highest and lowest poles plus nearest volume peers, not a full 2,500-reaction corpus board reprint.

Vomiting · highest174348Abortion · this reaction294Exercise intolerance · near294Residues in meat/offal · near294Anaphylactic shock · near293Bladder incontinence · near293Urinary tract neoplas… · low…10
FDA AER report volume · neighbourhood around Abortion

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

Signature read: 84 death-coded reports is a heavy tail count for Abortion in the CVM extract. Report volume sits in the middle third of the reaction corpus. Death-coded share is upper-third: 84 of 294 reports (28.6% of named reports). Nearest volume peer: Exercise intolerance (±0 reports). Lead species Cattle (186). Lead co-reported drug Monensin Sodium (34).

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

Cattle 186
Dog 31
Horse 23
Goat 19
Pig 14
Cat 9
Sheep 8
Guinea Pig 1
Rabbit 1
Human 1

Breeds Most Affected

Holstein-Friesian also known as Holstein 44
Cattle (unknown) 37
Cattle (other) 33
Aberdeen Angus 28
Mixed (Cattle) 17
Crossbred Bovine/Cattle 16
Horse (unknown) 13
Goat (unknown) 11
Pig (unknown) 8
Unknown 7

Associated Drugs

Monensin Sodium 34
Moxidectin 24
Ivermectin 13
Albendazole 13
Cloxacillin Benzathine 12
Cloxacillin Benz Intramam Dc 12
Sometribove 10
Eprinomectin 9
Tulathromycin 8
Doramectin 8
Oxytocin 6
Fenbendazol Suspension 6
Enrofloxacin 5
Ceftiofur Crystalline Free Acid 5
Bovine Parainfluenza Virus 3 (Ts), Rlb103 (Nl-Bk-6), Mlv; Bovine Respiratory Syn 5
Tilmicosin 5
Leptospira Canicola L-15 Strain C-51;Leptospira Grippotyphosa 1550 Lot 10005 Str 5
K99/Cor*2/Rota*2/Clos Per C,D 5
Fenbendazole 4
Florfenicol 4

Nationwide reactions with similar profiles

Two openFDA-derived peer sets for Abortion, 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 (294 here).

Similar death-coded share

Nearest other reactions by death-coded share (28.6% 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 Abortion (#871 of 2,481 by report volume); death-coded 28.6%. PlainBreed reaction plate · death-coded report count stamp 84 · 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 →