Pet Recall Facts

Ingredients / Nitenpyram

Nitenpyram: FDA adverse event reports for pets

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

21,575Total reports
10,782Dog reports
8,752Cat 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

200140
200238
2003113
2004285
2005334
2006303
2007351
2008376
2009345
2010315
2011467
2012597
2013582
20141,029
20151,359
20162,031
20172,178
20181,512
20191,383
20201,184
20211,095
20221,179
20231,417
20241,716
20251,006
2026340

Species named in reports

Dog10,782
Cat8,752
Not given1,807
Human158
Other67
Ferret5
Other Canids2
Rabbit1

Signs reported after Nitenpyram

Lack of efficacy (ectoparasite) - flea6,744
Hyperactivity2,558
Panting2,114
Lack of efficacy (flea)1,767
Lethargy (see also Central nervous system depression in Neurological)1,557
Vomiting1,481
Vocalisation1,474
Scratching1,195
Agitation1,114
Pruritus1,045
Lack of efficacy - NOS872
Diarrhoea790
Itching781
Behavioural disorder NOS743
Product label issues739
Product problem689
Anorexia625
Depression576
Underfilling, Package525
Death514
Overdose441
Polypnoea427
Not eating405
Seizure NOS387
Excessive licking and/or grooming368

Breeds named in reports

Domestic Shorthair3,487
Dog (unknown)1,316
Cat (unknown)1,305
Domestic (unspecified)1,302
Chihuahua1,225
Crossbred Canine/dog1,090
Domestic Longhair1,056
Retriever - Labrador625
Terrier - Yorkshire586
Pit Bull564
Shih Tzu527
Domestic Mediumhair490
Poodle (unspecified)392
Shepherd Dog - German363
Dachshund (unspecified)335

Reported outcomes

Outcome Unknown9,794
Recovered/Normal3,461
Ongoing3,131
Died654
Euthanized148
Recovered with Sequela48

Report a problem to FDA