Reaction profile

The FDA adverse-event record for stopper, abnormal

734 FDA adverse-event reports reference stopper, abnormal (VeDDRA 93005). See the species, breeds, and drugs most associated with it below.

734
reports citing this reaction
0.0%
death-coded share
Unknown
most-affected species
Hyaluronate Sodium
most-associated drug
Verify with FDA CVM →
734
Total Reports
0
Deaths
0.0%
Death Rate

Species Most Affected

Unknown 723
Dog 5
Cat 4
Human 1
Horse 1

Breeds Most Affected

Unknown 725
Domestic Shorthair 2
Bichon Frise 1
Domestic Mediumhair 1
Griffon - Brussels 1
Dog (unknown) 1
Cat (unknown) 1
Terrier (unspecified) 1
Japanese Chin (Spaniel) 1

Associated Drugs

Hyaluronate Sodium 101
Moxidectin 91
Ivermectin(1%)/Clorsulon(10%) Injection 54
Cyclosporine 53
Insulin Injectable Vial 41
Enrofloxacin 38
Cefovecin 26
Carprofen 23
Bupivacaine 22
Merial La Polypropylene Syringe 21
Propofol 19
Cloprostenol Sodium 17
Gonadorelin Acetate 16
Maropitant Citrate 15
Metronidazole 13
Polysulfated Glycosaminoglycan 10
Tulathromycin 9
Pentobarbital Sodium + Phenytoin Sodium 9
Cyclosporine A 8
Cloprostenol 263 Inj Cattle 8

Stopper, abnormal Reaction Insights

734 reports name Stopper, abnormal; 0 recorded a death outcome (0.0% of reported events, not a population-level mortality rate). VeDDRA code: 93005.

By species: Unknown (723 reports), Dog (5 reports), Cat (4 reports). By breed: Unknown (725), Domestic Shorthair (2), Bichon Frise (1).

Most co-reported drugs: Hyaluronate Sodium (101 reports), Moxidectin (91 reports), Ivermectin(1%)/Clorsulon(10%) Injection (54 reports), Cyclosporine (53 reports).

Read these counts as reporting volume, not risk: per our methodology, co-reporting reflects temporal association captured in voluntary submissions, not proof that a drug caused this reaction. A widely-prescribed drug will rack up more raw co-reports at an identical true rate than a rarely-used one, so compare within similar-exposure products.

Source: FDA Center for Veterinary Medicine openFDA Animal & Veterinary Adverse Events (CVM AER) · 2025

Every figure on PlainBreed is rendered directly from FDA openFDA adverse event data, no number is typed in by an editor. This page draws directly on FDA openFDA data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.