Pet Recall Facts

Ingredients / Thiabendazole

Thiabendazole: FDA adverse event reports for pets

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

2,500Total reports
772Dog reports
871Cat 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

19873
19893
19901
19911
19921
19965
19971
19982
199910
20006
200112
200217
200342
200462
200559
200679
2007134
200874
200972
201078
201155
2012111
2013137
2014149
2015110
2016124
2017106
2018118
2019130
2020119
2021100
2022102
202386
2024138
2025163
202689

Species named in reports

Cat871
Dog772
Not given606
Human236
Ferret5
Cattle4
Sheep2
Other Birds1

Signs reported after Thiabendazole

Lethargy (see also Central nervous system depression in Neurological)257
Accidental exposure209
Vomiting192
Eye irritation160
Uncoded sign116
Anorexia115
Unclassifiable adverse event114
Deafness111
Ataxia107
Elevated alanine aminotransferase (ALT)105
Not eating101
Dispenser, Abnormal98
Product dropper missing90
Lack of efficacy - NOS86
Other abnormal test result NOS85
Pinnal erythema80
Eye pain74
Containers, Leaking74
Behavioural disorder NOS70
Diarrhoea68
Vials, Damaged67
Weight loss61
Caps, Abnormal61
Containers, Abnormal61
Elevated total bilirubin55

Breeds named in reports

Domestic Shorthair433
Domestic (unspecified)107
Cat (unknown)79
Retriever - Labrador74
Crossbred Canine/dog71
Domestic Longhair60
Dog (unknown)56
Domestic Mediumhair48
Retriever - Golden42
Chihuahua41
Terrier - Yorkshire38
Pug33
Maltese31
Poodle (unspecified)30
Siamese30

Reported outcomes

Outcome Unknown729
Ongoing282
Recovered/Normal279
Died58
Euthanized51
Recovered with Sequela8

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