Pet Recall Facts

Ingredients / Ampicillin

Ampicillin: FDA adverse event reports for pets

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

1,563Total reports
871Dog reports
272Cat 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

19894
19903
19911
19921
19931
19947
19957
19964
19976
199841
199959
20004
20019
200212
200311
200418
200512
200618
200715
200820
200918
201023
201122
201292
2013112
201482
201560
2016132
201785
2018104
201947
202052
202158
202257
202392
202499
2025122
202653

Species named in reports

Dog871
Cat272
Not given215
Cattle189
Horse8
Other4
Human2
Pig1

Signs reported after Ampicillin

Lethargy (see also Central nervous system depression in Neurological)314
Vomiting308
Death by euthanasia273
Death245
Other abnormal test result NOS242
Anorexia216
Elevated alanine aminotransferase (ALT)197
Diarrhoea171
Elevated total bilirubin166
Elevated blood urea nitrogen (BUN)156
Leucocytosis NOS152
Not eating140
Elevated serum alkaline phosphatase (SAP)139
Fever135
Anaemia NOS134
Abnormal ultrasound finding124
Abnormal radiograph finding115
Dehydration112
Elevated creatinine108
Neutrophilia98
Hypoalbuminaemia92
Hyperphosphataemia92
Weight loss90
Thrombocytopenia87
Elevated liver enzymes83

Breeds named in reports

Domestic Shorthair157
Retriever - Labrador152
Holstein-Friesian also known as Holstein111
Dog (unknown)102
Retriever - Golden39
Domestic (unspecified)34
Cattle (other)31
Crossbred Canine/dog30
Chihuahua30
Poodle (unspecified)29
Shih Tzu28
Shepherd Dog - German23
Boxer (German Boxer)23
Terrier - Yorkshire23
Spitz - German Pomeranian22

Reported outcomes

Ongoing293
Euthanized274
Died264
Recovered/Normal228
Outcome Unknown164
Recovered with Sequela12

Report a problem to FDA