Pet Recall Facts

Ingredients / Trimeprazine

Trimeprazine: FDA adverse event reports for pets

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

2,057Total reports
1,931Dog reports
17Cat 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

19912
19921
19943
19952
19963
19975
199810
199913
200011
200111
20029
200310
200417
200524
200639
200755
200848
200954
201036
201163
2012194
2013187
2014254
2015294
2016205
2017143
201893
201946
202051
202133
202226
202325
202446
202530
202614

Species named in reports

Dog1,931
Not given92
Cat17
Human15
Other2

Signs reported after Trimeprazine

Lack of efficacy - NOS286
Vomiting261
Emesis218
Lethargy (see also Central nervous system depression in Neurological)210
Elevated serum alkaline phosphatase (SAP)155
Diarrhoea139
Anorexia132
Polydipsia119
Other abnormal test result NOS111
INEFFECTIVE, LOSS OF EFFECT106
Polyuria105
Elevated alanine aminotransferase (ALT)104
INEFFECTIVE, ATOPY CONTROL85
Depression83
Death by euthanasia77
Death76
Seizure NOS69
Behavioural disorder NOS66
Abnormal radiograph finding65
Ataxia64
Fever64
Cough59
Elevated liver enzymes56
Anaemia NOS55
INEFFECTIVE, ANTIINFLAMMATORY55

Breeds named in reports

Dog (unknown)188
Retriever - Labrador177
Shih Tzu130
Terrier - Yorkshire109
Chihuahua105
Crossbred Canine/dog88
Poodle (unspecified)81
Retriever - Golden78
Shepherd Dog - German49
Maltese48
Terrier - Jack Russell47
Terrier (unspecified)47
Bichon Frise46
Beagle45
Pug44

Reported outcomes

Ongoing723
Recovered/Normal446
Outcome Unknown276
Died100
Euthanized60
Recovered with Sequela41

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