Drug profile

The FDA adverse-event record for Allergen Specific Immunotherapy

13 adverse-event reports submitted to the FDA Center for Veterinary Medicine reference Allergen Specific Immunotherapy. See the species affected, top reactions, and outcomes below.

13
adverse-event reports
7.7%
death-coded share
Dog
most-reported species
4
Other abnormal test result NOS - 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.
13
Total Reports
1
Deaths Reported
7.7%
Death Rate

Active Ingredients

Allergen Specific Immunotherapy

Administration Routes

UnknownSubcutaneousSublingual

Species Affected

Dog 12
Cat 1

Most Affected Breeds

Shepherd Dog - German 5
Retriever - Labrador 2
Schnauzer - Miniature 1
Domestic Shorthair 1
Dachshund (unspecified) 1
Retriever - Golden 1
Shepherd Dog - Australian 1
Terrier - Bull - American Pit 1

Most Reported Reactions

Other abnormal test result NOS 4
Dermal mass 4
Increased borborygmus 3
Limb weakness 3
Diarrhoea 2
Decreased appetite 2
Lethargy (see also Central nervous system depression in 'Neurological') 2
INEFFECTIVE, ATOPY CONTROL 2
Underdose 2
Digestive tract disorder NOS 2
Urinary incontinence 2
Abnormal posture NOS 2

Outcome Breakdown

Ongoing
9 (69.2%)
Outcome Unknown
2 (15.4%)
Recovered/Normal
1 (7.7%)
Died
1 (7.7%)

Allergen Specific Immunotherapy Adverse Event Insights

13 reports name Allergen Specific Immunotherapy; 1 recorded a death outcome (7.7% of reported events, not a population-level mortality rate). Active ingredient: Allergen Specific Immunotherapy. Administration routes: Unknown, Subcutaneous, Sublingual.

By species: Dog (12 reports), Cat (1 reports). By breed: Shepherd Dog - German (5), Retriever - Labrador (2), Schnauzer - Miniature (1).

Leading clinical signs: Other abnormal test result NOS (4), Dermal mass (4), Increased borborygmus (3), Limb weakness (3). Outcome, 13 coded reports: Ongoing leads at 69.2%.

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.