Reaction profile

The FDA adverse-event record for straining to defecate

574 FDA reports name straining to defecate, a high-volume reaction in the CVM extract (VeDDRA 2453). Plate stamps and neighbourhood peers follow.

#590 of 2,481
by report volume (all reactions)
574
reports citing this reaction
13.8%
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. Straining to defecate has 574 reports now versus 560 in that prior snapshot: 14 more (2.5%).

Report change
+14
Death-coded reports
+3
Death-coded share
+0.2 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 Straining to defecate changes

FDA AER · VeDDRA plate

Code 2453 VOL-MID

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

  • VOL-MID 574 reports
  • DEATH-ELEV 13.8%
  • UPPER-Q #590/2481
  • PHOTO-FINISH Head down
  • SPECIES-DOG Dog · 494
  • DRUG-LEAD Maropitant Citrate · 52
  • DESK-WIDE 20 breeds
  • BOOK-FULL 8/8 fields

Nearest volume peer: Head down (±3 reports)

Upper-third report volume drives the scale stamps on this plate; death-coded share and co-report peers follow. Not a clinical diagnosis.

High-volume neighbourhood around Straining to defecate

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

Vomiting · highest174348Adrenal gland disorde… · near578Straining to defecate · this…574Head down · near571Hyperexcitation · near571Pulmonary congestion · near571Urinary tract neoplas… · low…10
FDA AER report volume · neighbourhood around Straining to defecate

What the FDA AER plate says about Straining to defecate

Signature read: 79 death-coded reports is a heavy tail count for Straining to defecate in the CVM extract. Report volume is upper-third scale: 574 named reports in the openFDA extract. 79 of 574 reports were death-coded (13.8% of named reports, not a population mortality rate). Nearest volume peer: Head down (±3 reports). Lead species Dog (494). Lead co-reported drug Maropitant Citrate (52).

Read these counts as reporting volume, not risk: per our methodology, Lead co-reported drug Maropitant Citrate 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 494
Cat 74
Horse 4
Cattle 1
Cockatiel 1

Breeds Most Affected

Retriever - Labrador 52
Domestic Shorthair 44
Crossbred Canine/dog 32
Shih Tzu 24
Retriever - Golden 22
Shepherd Dog - German 20
Chihuahua 18
Beagle 15
Terrier (unspecified) 13
Pit Bull 13

Associated Drugs

Maropitant Citrate 52
Carprofen 51
Gabapentin 47
Ivermectin + Pyrantel As Pamoate Salt 44
Milbemycin Oxime + Praziquantel 36
Bedinvetmab 36
Afoxolaner 33
Oclacitinib Maleate 31
Trilostane 31
Grapiprant 30
Pyrantel Pamoate;Sarolaner 30
Fluralaner 13.64% 12-Week Chew 25
Metronidazole 22
Milbemycin Oxime + Spinosad 21
Prednisone 18
Frunevetmab 18
Fluralaner Chew Tablets 17
Cefovecin 17
Lotilaner 16
Famotidine 15

Nationwide reactions with similar profiles

Two openFDA-derived peer sets for Straining to defecate, 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 (574 here).

Similar death-coded share

Nearest other reactions by death-coded share (13.8% 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 Straining to defecate (#590 of 2,481 by report volume); death-coded 13.8%. PlainBreed reaction plate · death-coded report count stamp 79 · 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 →