Reaction profile

The FDA adverse-event record for tongue oedema

199 FDA adverse-event reports reference tongue oedema (VeDDRA 1077). See the species, breeds, and drugs most associated with it below.

199
reports citing this reaction
10.6%
death-coded share
Horse
most-affected species
Ivermectin, Praziquantel
most-associated drug
Verify with FDA CVM →
199
Total Reports
21
Deaths
10.6%
Death Rate

Species Most Affected

Horse 95
Dog 70
Cat 27
Cattle 2
Donkey 2
Rabbit 1
Human 1
Unknown 1

Breeds Most Affected

Horse (unknown) 37
Thoroughbred 18
Domestic (unspecified) 11
Quarter Horse 11
Crossbred Equine/horse 9
Retriever - Labrador 8
Boxer (German Boxer) 7
Domestic Shorthair 7
Dog (unknown) 5
Dachshund (unspecified) 5

Associated Drugs

Ivermectin, Praziquantel 61
Ivermectin(1.55%)/Praziquantel(7.75%) Paste 17
Carprofen 10
Cefovecin Sodium 10
Propofol 9
Isoflurane 7
Moxidectin 6
Dexmedetomidine Hydrochloride 5
Ivermectin + Praziquantel 5
Meloxicam 4
Ivermectin/Praziquantel Paste 4
Morphine 3
Spinosad 3
Selamectin 3
Ivermectin 3
Firocoxib 3
Atipamezole Hydrochloride 3
Buprenorphine 3
Tiletamine Hcl; Zolazapam Hcl 3
Cefazolin 2

Tongue oedema Reaction Insights

199 reports name Tongue oedema; 21 recorded a death outcome (10.6% of reported events, not a population-level mortality rate). VeDDRA code: 1077.

By species: Horse (95 reports), Dog (70 reports), Cat (27 reports). By breed: Horse (unknown) (37), Thoroughbred (18), Domestic (unspecified) (11).

Most co-reported drugs: Ivermectin, Praziquantel (61 reports), Ivermectin(1.55%)/Praziquantel(7.75%) Paste (17 reports), Carprofen (10 reports), Cefovecin Sodium (10 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.