Pet Recall Facts

Ingredients / Ilunocitinib

Ilunocitinib: FDA adverse event reports for pets

Reports received through June 26, 2026. Data and limitations.

2,242Total reports
2,196Dog reports
3Cat reports

FDA-approved products with this ingredient (Green Book)

All approved products with this ingredient, for any species.

Brand names come only from the Green Book. Brand names in FDA's public report data are masked, so counts cannot be attributed to any brand. Ingredient names in the reports are written many ways; we group them under one ingredient name and count each report once per ingredient (method).

Reports by year received

20221
202488
20251,299
2026854

Species named in reports

Dog2,196
Not given36
Human7
Cat3

Signs reported after Ilunocitinib

Lack of efficacy - NOS382
Lethargy (see also Central nervous system depression in Neurological)305
Diarrhoea240
Vomiting237
Neutropenia218
Decreased haematocrit179
Elevated serum alkaline phosphatase (ALP)155
Lymphopenia149
Leukopenia NOS133
Elevated alanine aminotransferase (ALT)126
Decreased red blood cell count113
Anaemia NOS112
Other abnormal test result NOS112
Eosinopenia106
Behavioural disorder NOS102
Death by euthanasia98
Decreased haemoglobin96
Leucopenia NOS86
Decreased appetite78
Weight loss78
Not eating75
Itching72
Anorexia72
Seizure NOS70
Fever69

Breeds named in reports

Dog (unknown)549
Retriever - Labrador295
Crossbred Canine/dog158
Pit Bull156
Retriever - Golden130
Shepherd Dog - German114
Bulldog - French93
Poodle (unspecified)79
Bulldog - English72
Shih Tzu70
Boxer (German Boxer)51
Chihuahua50
Beagle42
Shepherd Dog - Australian41
Terrier - Yorkshire39

Reported outcomes

Outcome Unknown948
Ongoing719
Recovered/Normal398
Euthanized98
Died46

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