Reaction profile

The FDA adverse-event record for foaming at the mouth

3,446 FDA adverse-event reports reference foaming at the mouth (VeDDRA 1074). See the species, breeds, and drugs most associated with it below.

3,446
reports citing this reaction
11.5%
death-coded share
Cat
most-affected species
Fluralaner Spot-On Solution
most-associated drug
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3,446
Total Reports
398
Deaths
11.5%
Death Rate

Species Most Affected

Cat 1,736
Dog 1,593
Cattle 86
Horse 20
Goat 4
Sheep 3
Human 2
Guinea Pig 1
Pig 1

Breeds Most Affected

Domestic Shorthair 1,082
Cat (unknown) 204
Retriever - Labrador 170
Crossbred Canine/dog 115
Domestic Longhair 111
Domestic Mediumhair 99
Chihuahua 79
Boxer (German Boxer) 72
Retriever - Golden 65
Shepherd Dog - German 58

Associated Drugs

Fluralaner Spot-On Solution 480
Afoxolaner 308
Milbemycin Oxime + Spinosad 244
Eprinomectin + Esafoxolaner + Praziquantel 203
Ivermectin + Pyrantel As Pamoate Salt 170
Fluralaner/Moxidectin Spot-On 158
Pyrantel Pamoate;Sarolaner 131
Emodepside + Praziquantel 130
Imidacloprid + Moxidectin 119
Fluralaner Chew Tablets 94
Spinosad 92
Fluralaner 13.64% 12-Week Chew 88
Selamectin 87
Nitenpyram 84
Maropitant Citrate 80
Cyclosporine 79
Sarolaner 70
Eprinomectin + Praziquantel 60
Velagliflozin Proline Monohydrate 52
Capromorelin Tartrate 51

Foaming at the mouth Reaction Insights

3,446 reports name Foaming at the mouth; 398 recorded a death outcome (11.5% of reported events, not a population-level mortality rate). VeDDRA code: 1074.

By species: Cat (1,736 reports), Dog (1,593 reports), Cattle (86 reports). By breed: Domestic Shorthair (1,082), Cat (unknown) (204), Retriever - Labrador (170).

Most co-reported drugs: Fluralaner Spot-On Solution (480 reports), Afoxolaner (308 reports), Milbemycin Oxime + Spinosad (244 reports), Eprinomectin + Esafoxolaner + Praziquantel (203 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.