Pet Recall Facts

Ingredients / Sarolaner

Sarolaner: FDA adverse event reports for pets

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

83,117Total reports
70,748Dog reports
8,504Cat 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

2016460
20172,130
20183,016
20194,119
20205,808
20219,843
202211,983
202313,003
202413,360
202513,191
20266,204

Species named in reports

Dog70,748
Cat8,504
Not given3,704
Human148
Rabbit3
Bobcat2
Lynx2
Other Canids2

Signs reported after Sarolaner

Vomiting13,939
Seizure NOS7,514
Lack of efficacy (bacteria) - Borrelia7,193
Lethargy (see also Central nervous system depression in Neurological)6,577
Lack of efficacy (endoparasite) - heartworm6,439
Diarrhoea5,689
Lack of efficacy (endoparasite) - hookworm4,679
Lack of efficacy (ectoparasite) - tick NOS4,512
Lack of efficacy (endoparasite) - roundworm NOS3,604
Lack of efficacy (ectoparasite) - flea3,532
Lack of efficacy (endoparasite) - tapeworm2,680
Tremor2,633
Application site hair loss2,400
Ataxia2,270
Intentional misuse2,194
Lack of efficacy (bacteria) - Anaplasma2,172
Medication error NOS2,056
Anorexia1,707
Not eating1,692
Behavioural disorder NOS1,515
Lack of efficacy (bacteria) - Ehrlichia1,494
Emesis (multiple)1,360
Shaking1,327
Decreased appetite1,253
Lack of efficacy (bacteria) - NOS1,160

Breeds named in reports

Dog (unknown)14,821
Retriever - Labrador8,626
Poodle (unspecified)5,734
Retriever - Golden5,685
Domestic Shorthair5,004
Crossbred Canine/dog3,670
Shepherd Dog - German3,074
Chihuahua2,634
Terrier - Bull - American Pit2,569
Shepherd Dog - Australian2,332
Terrier - Yorkshire2,266
Shih Tzu2,066
Terrier (unspecified)1,858
Beagle1,657
Cat (other)1,537

Reported outcomes

Ongoing43,545
Outcome Unknown18,695
Recovered/Normal15,462
Died942
Euthanized771
Recovered with Sequela41

Report a problem to FDA