Pet Recall Facts

Ingredients / Maropitant

Maropitant: FDA adverse event reports for pets

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

16,745Total reports
11,846Dog reports
3,823Cat 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

2007319
2008540
2009396
2010479
2011421
2012510
2013595
2014611
2015677
2016805
2017871
2018923
2019956
2020835
2021803
2022939
20231,393
20241,707
20252,009
2026955

Species named in reports

Dog11,846
Cat3,823
Not given847
Human208
Other7
Rabbit7
Mouse2
Monkey1

Signs reported after Maropitant

Vomiting4,007
Lethargy (see also Central nervous system depression in Neurological)3,587
Anorexia2,102
Diarrhoea1,986
Death by euthanasia1,777
Death1,598
Lack of efficacy - NOS1,529
Not eating1,450
Elevated alanine aminotransferase (ALT)1,294
Other abnormal test result NOS1,130
Weight loss1,046
Decreased appetite952
Fever949
Ataxia946
Elevated blood urea nitrogen (BUN)868
Abnormal radiograph finding860
Dehydration856
Leucocytosis NOS838
Hypersalivation818
Elevated total bilirubin814
Elevated serum alkaline phosphatase (SAP)793
Anaemia NOS756
Abnormal ultrasound finding720
INEFFECTIVE, ANTIEMETIC710
Seizure NOS704

Breeds named in reports

Domestic Shorthair2,148
Dog (unknown)1,633
Retriever - Labrador1,344
Crossbred Canine/dog693
Chihuahua559
Retriever - Golden554
Terrier - Yorkshire498
Poodle (unspecified)497
Shih Tzu417
Terrier - Bull - American Pit350
Shepherd Dog - German292
Dachshund (unspecified)288
Boxer (German Boxer)284
Domestic Longhair269
Beagle250

Reported outcomes

Ongoing5,534
Recovered/Normal2,967
Outcome Unknown2,264
Died1,879
Euthanized1,613
Recovered with Sequela32

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