Reaction profile

The FDA adverse-event record for reduced faecal output

47 FDA reports name reduced faecal output, a lower-volume reaction in the CVM extract (VeDDRA 2678). Plate stamps and neighbourhood peers follow.

#1777 of 2,481
by report volume (all reactions)
47
reports citing this reaction
6.4%
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. Reduced faecal output has 47 reports now versus 45 in that prior snapshot: 2 more (4.4%).

Report change
+2
Death-coded reports
+0
Death-coded share
−0.3 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 Reduced faecal output changes

FDA AER · VeDDRA plate

Code 2678 VOL-TRACE

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

  • VOL-TRACE 47 reports
  • DEATH-PAR 6.4%
  • MID-PACK #1777/2481
  • PHOTO-FINISH Abnormal number of of…
  • SPECIES-DOG Dog · 25
  • DRUG-LEAD Buprenorphine · 9
  • DESK-WIDE 20 breeds
  • BOOK-FULL 8/8 fields

Nearest volume peer: Abnormal number of offspring (±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 Reduced faecal output

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

Vomiting · highest174348Abnormal number of of… · near47ALBUMIN/GLOBULIN RATI… · near47ANISOCYTOSIS · near47Blood in trachea · near47Reduced faecal output · this…47Urinary tract neoplas… · low…10
FDA AER report volume · neighbourhood around Reduced faecal output

Reduced faecal output: low death-coded share in the FDA AER plate

Signature read: 3 death-coded reports is a thin tail count for Reduced faecal output in the CVM extract. Report volume is lower-third scale: 47 named reports in the openFDA extract. Death-coded share is lower-third: 3 of 47 reports (6.4% of named reports). Nearest volume peer: Abnormal number of offspring (±0 reports). Lead species Dog (25). Lead co-reported drug Buprenorphine (9).

Read these counts as reporting volume, not risk: per our methodology, Lead co-reported drug Buprenorphine 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 25
Cat 16
Rabbit 4
Horse 2

Breeds Most Affected

Domestic Shorthair 11
Chihuahua 3
Domestic Longhair 3
New Zealand White 3
Poodle - Toy 2
Spaniel (unspecified) 2
Maltese 2
Retriever - Labrador 2
Terrier - Bull 1
Cat (other) 1

Associated Drugs

Buprenorphine 9
Maropitant Citrate 6
Carprofen 5
Pyrantel Pamoate;Sarolaner 4
Cefovecin 3
Trilostane 3
Fluralaner 13.64% 12-Week Chew 3
Ivermectin + Pyrantel As Pamoate Salt 3
Frunevetmab 3
Selamectin;Sarolaner 2
Omeprazole 2
Amoxicillin 2
Ursodiol 2
Capromorelin Oral Solution 2
Probiotic Supplement 2
Trazodone 2
Gabapentin 2
Afoxolaner 1
Lufenuron + Milbemycin Oxime + Praziquantel 1
Methylprednisolone Acetate 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 Reduced faecal output (#1777 of 2,481 by report volume); death-coded 6.4%. PlainBreed reaction plate · death-coded report count stamp 3 · 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 →