Pet Recall Facts

Ingredients / Selamectin

Selamectin: FDA adverse event reports for pets

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

72,057Total reports
29,515Dog reports
30,133Cat 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

1999179
20005,736
20014,772
20023,514
20031,488
20042,060
20052,203
20062,403
20072,803
20082,778
20092,877
20102,804
20112,500
20122,716
20132,736
20142,543
20152,551
20162,695
20172,573
20182,247
20192,836
20202,683
20212,534
20222,128
20232,259
20242,256
20252,213
2026968

Species named in reports

Cat30,133
Dog29,515
Not given9,596
Human2,312
Other294
Rabbit103
Ferret36
Guinea Pig24

Signs reported after Selamectin

INEFFECTIVE, HEARTWORM LARVAE8,169
Application site alopecia6,494
Lack of efficacy (ectoparasite) - flea6,364
Vomiting5,764
Underfilling, Tubes4,676
Application site hair loss4,652
Anorexia3,707
Depression3,588
Lethargy (see also Central nervous system depression in Neurological)3,545
Diarrhoea3,010
Pruritus2,582
Accidental exposure2,291
Tubes, Leaking2,212
Lack of efficacy (endoparasite) - hookworm1,819
Application site lesion1,664
Ataxia1,608
Unclassifiable adverse event1,602
Behavioural disorder NOS1,529
Application site scab1,522
Application site erythema1,499
Death1,497
Lack of efficacy (ectoparasite) - tick NOS1,441
Lack of efficacy (ectoparasite) - ear mite1,433
Lack of efficacy - NOS1,291
Fever1,277

Breeds named in reports

Domestic Shorthair11,662
Domestic (unspecified)8,321
Crossbred Canine/dog4,777
Retriever - Labrador3,026
Cat (other)2,653
Dog (unknown)2,056
Cat (unknown)1,808
Domestic Longhair1,434
Shepherd Dog - German1,238
Retriever - Golden1,234
Domestic Mediumhair1,135
Terrier - Yorkshire1,080
Chihuahua1,078
Poodle (unspecified)968
Shih Tzu876

Reported outcomes

Ongoing12,919
Outcome Unknown12,606
Recovered/Normal4,350
Died1,986
Euthanized355
Recovered with Sequela32

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