Drug profile

The FDA adverse-event record for Recombinant Canine Interleukin-31

250 adverse-event reports submitted to the FDA Center for Veterinary Medicine reference Recombinant Canine Interleukin-31. See the species affected, top reactions, and outcomes below.

250
adverse-event reports
4.4%
death-coded share
Dog
most-reported species
75
Vomiting - top reaction
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Important: Adverse event reports do not establish that a drug caused or contributed to the event. Consult your veterinarian before making treatment decisions.
250
Total Reports
11
Deaths Reported
4.4%
Death Rate

Active Ingredients

Recombinant Canine Interleukin-31

Administration Routes

ParenteralUnknownSubcutaneousOralOther

Species Affected

Dog 250

Most Affected Breeds

Retriever - Labrador 26
Shepherd Dog - German 15
Pit Bull 15
Terrier - Yorkshire 12
Shih Tzu 12
Chihuahua 10
Terrier - West Highland White 9
Maltese 9
Boxer (German Boxer) 7
Crossbred Canine/dog 7

Most Reported Reactions

Vomiting 75
Lack of efficacy - NOS 30
Lethargy (see also Central nervous system depression in 'Neurological') 24
Diarrhoea 19
Loss of hearing 13
Decreased appetite 11
Lack of efficacy (endoparasite) - heartworm 11
Behavioural disorder NOS 10
Other abnormal test result NOS 10
Ataxia 9
Seizure NOS 9
Elevated alanine aminotransferase (ALT) 8

Outcome Breakdown

Outcome Unknown
94 (37.6%)
Ongoing
81 (32.4%)
Recovered/Normal
62 (24.8%)
Died
7 (2.8%)
Euthanized
4 (1.6%)
Recovered with Sequela
2 (0.8%)

Recombinant Canine Interleukin-31 Adverse Event Insights

250 reports name Recombinant Canine Interleukin-31; 11 recorded a death outcome (4.4% of reported events, not a population-level mortality rate). Active ingredient: Recombinant Canine Interleukin-31. Administration routes: Parenteral, Unknown, Subcutaneous, Oral.

By species: Dog (250 reports). By breed: Retriever - Labrador (26), Shepherd Dog - German (15), Pit Bull (15).

Leading clinical signs: Vomiting (75), Lack of efficacy - NOS (30), Lethargy (see also Central nervous system depression in 'Neurological') (24), Diarrhoea (19). Outcome, 250 coded reports: Outcome Unknown leads at 37.6%.

Read these counts as reporting volume, not risk: per our methodology, a widely-prescribed drug will rack up more raw FDA reports in a given year than a rarely-used one at an identical true rate, so we recommend comparing within similar-exposure products rather than across the full 2025 catalog.

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.