Reaction profile

The FDA adverse-event record for synovial fluid, abnormal nos

29 FDA adverse-event reports reference synovial fluid, abnormal nos (VeDDRA 2721). See the species, breeds, and drugs most associated with it below.

29
reports citing this reaction
0.0%
death-coded share
Horse
most-affected species
Hyaluronate Sodium
most-associated drug
Verify with FDA CVM →
29
Total Reports
0
Deaths
0.0%
Death Rate

Species Most Affected

Horse 22
Dog 6
Cat 1

Breeds Most Affected

Quarter Horse 6
Horse (other) 3
Standardbred (unspecified) 2
Horse (unknown) 2
Thoroughbred 2
Mixed (Horse) 1
Domestic Shorthair 1
Retriever - Labrador 1
Appaloosa 1
Warmblood (unspecified) 1

Associated Drugs

Hyaluronate Sodium 9
Triamcinolone Acetonide 5
Hyaluronic Acid 5
Bedinvetmab 5
Carprofen 3
Polysulfated Glycosaminoglycan 2
Methylprednisolone Acetate 1
Methylprednisolone 1
Selamectin 1
Feline Calicivirus, Strain F-9, Passage 7, Lot A; Feline Panleukopenia Virus, St 1
Thiabendazole, Dexamethasone, Neomycin Sulfate 1
Ivermecin 1
Flea/Heartworm Preventative 1
Hyaluronate Sodium 10 Mg/Ml Solution For Injection 1
Dexmedetomidine Hydrochloride 1
Cytokines + Exosomes + Growth Factors 1
Thyrotabs 1
Gabapentin 1
Benadryl 1
Metronidazole 1

Synovial fluid, abnormal NOS Reaction Insights

29 reports name Synovial fluid, abnormal NOS; 0 recorded a death outcome (0.0% of reported events, not a population-level mortality rate). VeDDRA code: 2721.

By species: Horse (22 reports), Dog (6 reports), Cat (1 reports). By breed: Quarter Horse (6), Horse (other) (3), Standardbred (unspecified) (2).

Most co-reported drugs: Hyaluronate Sodium (9 reports), Triamcinolone Acetonide (5 reports), Hyaluronic Acid (5 reports), Bedinvetmab (5 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.