Reaction profile

The FDA adverse-event record for sore mouth

24 FDA adverse-event reports reference sore mouth (VeDDRA 1782). See the species, breeds, and drugs most associated with it below.

24
reports citing this reaction
25.0%
death-coded share
Dog
most-affected species
Ivermectin(1.55%)/Praziquantel(7.75%) Paste
most-associated drug
Verify with FDA CVM →
24
Total Reports
6
Deaths
25.0%
Death Rate

Species Most Affected

Dog 12
Cat 6
Horse 4
Human 2

Breeds Most Affected

Domestic Shorthair 4
Horse (unknown) 2
Chihuahua 2
Unknown 2
Pointing Dog - Hungarian Short-haired (Vizsla) 2
Pit Bull 1
Terrier - Cairn 1
Thoroughbred 1
Crossbred Canine/dog 1
Spitz - German Pomeranian 1

Associated Drugs

Ivermectin(1.55%)/Praziquantel(7.75%) Paste 3
Maropitant Citrate 3
Cefovecin 2
Milbemycin Oxime + Spinosad 2
Carprofen 2
Prednisone 2
Buprenorphine 2
Dexmedetomidine Hydrochloride 2
Isoflurane 2
Prescription Diet (Unspecified) 1
Spinosad 1
Meloxicam 1
Antibiotic Injection 1
Moxidectin 1
Sodium Chloride 1
Antibiotic 1
Furosemide 1
Selamectin 1
Amoxicillin (As Trihydrate) 1
Enrofloxacin 1

Sore mouth Reaction Insights

24 reports name Sore mouth; 6 recorded a death outcome (25.0% of reported events, not a population-level mortality rate). VeDDRA code: 1782.

By species: Dog (12 reports), Cat (6 reports), Horse (4 reports). By breed: Domestic Shorthair (4), Horse (unknown) (2), Chihuahua (2).

Most co-reported drugs: Ivermectin(1.55%)/Praziquantel(7.75%) Paste (3 reports), Maropitant Citrate (3 reports), Cefovecin (2 reports), Milbemycin Oxime + Spinosad (2 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.