Subdued

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VeDDRA Code: 2646

104 adverse event reports referencing this reaction

104
Total Reports
8
Deaths
770.0%
Death Rate

Species Most Affected

Dog 71
Cat 31
Horse 2

Breeds Most Affected

Domestic Shorthair 21
Retriever - Labrador 13
Crossbred Canine/dog 6
Chihuahua 5
Shepherd Dog - German 4
Terrier - Yorkshire 4
Retriever - Golden 3
Thoroughbred 2
Maltese 2
Shih Tzu 2

Associated Drugs

Carprofen 12
Trilostane 11
Maropitant Citrate 11
Gabapentin 8
Fluralaner Chew Tablets 7
Buprenorphine 7
Pyrantel Pamoate;Sarolaner 6
Isoflurane 6
Ivermectin + Pyrantel As Pamoate Salt 5
Polysulfated Glycosaminoglycan 5
Selamectin;Sarolaner 5
Alfaxalone 5
Milbemycin Oxime + Praziquantel 4
Afoxolaner 4
Fluralaner 13.64% 12-Week Chew 4
Butorphanol 4
Sarolaner 3
Prednisone 3
Diphenhydramine 3
Fluoxetine 3

Data Summary

Metric Value
Total reports referencing reaction 104
Reports with fatal outcome 8
Case-fatality rate (reported events) 770.0%
Species observed 3
Breeds observed 20
Drugs associated with reaction 20

Source: FDA Center for Veterinary Medicine — Adverse Event Reporting (CVM AER); reaction term coded under VeDDRA 2646.

Subdued Reaction Insights

The FDA Center for Veterinary Medicine database currently lists 104 adverse event reports that reference Subdued as a reaction term, including 8 reports with a death outcome — a 770.0% case-fatality figure calculated across only those events where this reaction was coded. The reaction is indexed in the openFDA system under VeDDRA code 2646, the standardized veterinary dictionary used to normalize clinical signs across submitters. Because reports are voluntary and often describe multiple concurrent signs per animal, the volume here reflects reporting intensity rather than true incidence in the broader pet population.

Subdued appears most frequently in reports for Dog (71 reports), Cat (31 reports), Horse (2 reports) — with Dog dominating at 71 entries. Within those species, the breeds most often named alongside this reaction are Domestic Shorthair (21), Retriever - Labrador (13), Crossbred Canine/dog (6). These distributions are influenced both by underlying breed popularity and by how veterinarians and owners code a given clinical sign, so they should be interpreted as a reporting fingerprint rather than a pure susceptibility ranking.

The drugs most commonly co-reported with Subdued are Carprofen (12 reports), Trilostane (11 reports), Maropitant Citrate (11 reports), Gabapentin (8 reports), with Carprofen appearing alongside this reaction in 12 submissions. Co-reporting does not establish that any specific product caused the reaction — FDA CVM data captures temporal association only. The value of these aggregates is in flagging which therapeutic classes appear repeatedly alongside a given clinical sign, so owners and veterinarians can ask targeted questions about medications currently in use.

Source: FDA Center for Veterinary Medicine — Adverse Event Reports FDA Center for Veterinary Medicine — Adverse Event Reports Data reflects voluntary submissions and may not represent actual incidence rates

Related

Data sourced from official AKC, AVMA, ACVO, and breed-club veterinary references. See our methodology for details. Retrieved and formatted by PlainBreed Editorial