Pet Recall Facts

Ingredients / Florfenicol

Florfenicol: FDA adverse event reports for pets

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

9,700Total reports
5,748Dog reports
946Cat 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

199624
199728
199840
199922
200062
200124
200221
200326
200449
200529
200654
200736
200840
200922
201049
201147
2012109
201398
201461
2015435
20161,398
2017982
2018836
2019709
2020643
2021630
2022706
2023823
2024887
2025587
2026223

Species named in reports

Dog5,748
Not given1,705
Cat946
Cattle774
Human363
Fish48
Goat36
Pig34

Signs reported after Florfenicol

Lack of efficacy - NOS2,146
Ataxia817
Tubes, Leaking636
Lethargy (see also Central nervous system depression in Neurological)624
Death612
Vomiting593
Head tilt - ear disorder590
Ear discharge499
Head shake - ear disorder474
Nystagmus423
Anorexia408
Behavioural disorder NOS401
Deafness375
Lack of efficacy (bacteria) - NOS372
Corneal ulcer360
Vestibular disorder NOS347
Not eating335
Diarrhoea290
Horners syndrome287
Loss of hearing275
Underfilling, Package274
Ocular discharge270
Other abnormal test result NOS258
Decreased appetite256
Ear pain241

Breeds named in reports

Dog (unknown)871
Retriever - Labrador697
Domestic Shorthair584
Retriever - Golden364
Crossbred Canine/dog312
Shih Tzu296
Poodle (unspecified)275
Chihuahua223
Terrier - Yorkshire193
Maltese188
Spaniel - Cocker American178
Shepherd Dog - German173
Pug160
Crossbred Bovine/Cattle159
Holstein-Friesian also known as Holstein159

Reported outcomes

Outcome Unknown3,794
Ongoing1,631
Recovered/Normal1,434
Died731
Euthanized176
Recovered with Sequela131

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