Browse Pet Safety Reports

31,013 FDA adverse event reports for pets.

FDA Veterinary Adverse Event Database

Browse 31,013 adverse event reports collected by the FDA's Center for Veterinary Medicine. Each report includes the animal species, breed, drug or product involved, observed reactions, and outcome. Reports flagged as "serious" involve death, life-threatening conditions, or hospitalization. Use the filters to narrow results by species, outcome severity, or keyword. Note that a higher number of reports does not necessarily indicate a less safe product, widely prescribed drugs naturally accumulate more reports.

Pet Adverse Event Reports

Browse 31,013 FDA veterinary adverse event reports for Cattle.

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Date Species Breed Drug Reaction Outcome
Apr 27, 2015 Cattle Aberdeen Angus Dinoprost Tromethamine Lack of efficacy - NOS Outcome Unknown
Apr 27, 2015 Cattle Cattle (other) Moxidectin Injection site abscess; Other abnormal test result NOS; CULTURE/TITER DATA AB... Outcome Unknown
Apr 25, 2015 Cattle Holstein-Friesian also know... Sometribove Milk production decrease Outcome Unknown
Apr 25, 2015 Cattle Holstein-Friesian also know... Monensin Sodium Death; Diarrhoea; Decreased appetite; Milk production decrease Recovered with Sequela; Died
Apr 24, 2015 Cattle Charolais, Aberdeen Angus Eprinomectin 5% Injection Lack of efficacy (endoparasite) - NOS; Low weight gain; Poor coat condition Outcome Unknown
Apr 24, 2015 Cattle Holstein-Friesian also know... Estradiol Benzoate; Trenbolone Acetate Increased sexual interest Outcome Unknown
Apr 24, 2015 Cattle Holstein-Friesian also know... Cephapirin Sodium Residues in milk Recovered/Normal
Apr 24, 2015 Cattle Cattle (unknown) Sometribove Lack of efficacy - NOS; INEFFECTIVE, PRODUCTION (MILK); Product Defect, General Outcome Unknown
Apr 23, 2015 Cattle Aberdeen Angus Eprinomectin 5% Injection Infertility NOS; Female reproductive tract disorder NOS Outcome Unknown
Apr 23, 2015 Cattle Cattle (other) Ceftiofur Crystalline Free Acid Lack of efficacy (bacteria) - NOS; Increased mortality rate; Abnormal test re... Died; Outcome Unknown
Apr 22, 2015 Cattle Cattle (other) Eprinomectin 5% Injection Lameness Outcome Unknown
Apr 22, 2015 Cattle Cattle (other) Doramectin; Phenol Anaphylaxis; Death Died
Apr 22, 2015 Cattle Cattle (unknown) Estradiol Ruminal bloat Outcome Unknown
Apr 20, 2015 Cattle Holstein-Friesian also know... Sometribove Lack of efficacy - NOS; INEFFECTIVE, PRODUCTION (MILK) Outcome Unknown
Apr 20, 2015 Cattle Cattle (unknown) Eprinomectin 5 Mg/Ml Pour-On Solution Alopecia NOS; Itching; Systemic disorder NOS; Lack of efficacy - NOS; Hair sh... Outcome Unknown
Apr 20, 2015 Cattle Cattle (other) Doramectin Lack of efficacy - NOS; Scratching; Hair loss NOS; Lack of efficacy (ectopara... Outcome Unknown
Apr 20, 2015 Cattle Crossbred Bovine/Cattle Monensin Sodium Death Died
Apr 17, 2015 Cattle Holstein-Friesian also know... Ampicillin Trihydrate Residues in meat/offal; Unrelated death Outcome Unknown
Apr 17, 2015 Cattle Holstein-Friesian also know... Ceftiofur Crystalline Free Acid Unexplained death Died
Apr 15, 2015 Cattle Crossbred Bovine/Cattle Ivermectin 0.5% Pour-On Topical Solution Scratching; Localised hair loss; Systemic disorder NOS; Lack of efficacy - NO... Outcome Unknown
Apr 15, 2015 Cattle Cattle (other) Doramectin Lack of efficacy - NOS; Lack of efficacy (ectoparasite) - lice Outcome Unknown
Apr 15, 2015 Cattle Cattle (unknown) Fenbendazol Pellets Milk production decrease; Not eating Recovered/Normal
Apr 15, 2015 Cattle Cattle (unknown) Fenbendazol Pellets Milk production decrease; Not eating Recovered/Normal
Apr 15, 2015 Cattle Holstein-Friesian also know... Monensin Sodium Not eating; Diarrhoea; Death; Cardiac disorder NOS; Cardiac failure; Pericard... Died; Outcome Unknown
Apr 15, 2015 Cattle Holstein-Friesian also know... Monensin Sodium Not eating; UNPALATABLE Recovered/Normal
Apr 14, 2015 Cattle Aberdeen Angus Ceftiofur Crystalline Free Acid Lack of efficacy (bacteria) - NOS; Death; Abnormal test result Died; Outcome Unknown
Apr 14, 2015 Cattle Charolais Gamithromycin 15% Solution For Injection Death Died
Apr 13, 2015 Cattle Aberdeen Angus Doramectin; Phenol Lack of efficacy - NOS; INEFFECTIVE, LICE BITING Outcome Unknown
Apr 13, 2015 Cattle Aberdeen Angus Doramectin; Phenol Abortion; Stillbirth Outcome Unknown
Apr 12, 2015 Cattle Cattle (other) Ceftiofur Crystalline Free Acid Death Died
Apr 10, 2015 Cattle Holstein-Friesian also know... Tylosin Allergic reaction Recovered/Normal
Apr 10, 2015 Cattle Cattle (unknown) Xylazine Death; Sedation prolonged Died
Apr 10, 2015 Cattle Cattle (other) Moxidectin Lack of efficacy - NOS Outcome Unknown
Apr 10, 2015 Cattle Aberdeen Angus Ivermectin 0.5% Pour-On Topical Solution Hair loss NOS; Itching; Lack of efficacy (ectoparasite) - lice Recovered with Sequela
Apr 10, 2015 Cattle Brangus Ivermectin 10 Mg/Ml Solution For Inje... Dehydration; Agitation; Sunken eyes; Death; Jaundice; Placental abnormality Died
Apr 10, 2015 Cattle Crossbred Bovine/Cattle Ivermectin(1%)/Clorsulon(10%) Injection Injection site abscess Recovered/Normal; Outcome Unknown
Apr 10, 2015 Cattle Cattle (other) Doramectin; Phenol Convulsion; Death Died
Apr 9, 2015 Cattle Aberdeen Angus Florfenicol/Flunixin Inj-Triac Hind limb paralysis; Unable to rise Recovered with Sequela
Apr 9, 2015 Cattle Cattle (unknown) Moxidectin Staggering; Foaming at the mouth; Recumbency; Death by euthanasia Recovered/Normal; Euthanized
Apr 9, 2015 Cattle Unknown Flunixin Meglumine Loss of consciousness; Seizure NOS; Nasal discharge Outcome Unknown
Apr 8, 2015 Cattle Mixed (Cattle) Progesterone Lack of efficacy - NOS; Potency, Low; INEFFECTIVE, ESTRUS SYNCHRONIZ; Device ... Outcome Unknown
Apr 8, 2015 Cattle Holstein-Friesian also know... Cephapirin Sodium Residues in milk Outcome Unknown
Apr 8, 2015 Cattle Crossbred Bovine/Cattle Amprolium 9.6% Solution Recumbency; Death; Collapse (see also 'Cardio-vascular' and 'Systemic disorde... Died
Apr 8, 2015 Cattle Holstein-Friesian also know... Monensin Sodium Cardiac disorder NOS; Respiratory signs; Death Died; Outcome Unknown
Apr 8, 2015 Cattle Holstein-Friesian also know... Tilmicosin Increased mortality rate; Respiratory tract disorder NOS; Digestive tract dis... Died
Apr 8, 2015 Cattle Holstein-Friesian also know... Tilmicosin Increased mortality rate; Respiratory tract disorder NOS; Digestive tract dis... Died
Apr 8, 2015 Cattle Holstein-Friesian also know... Tilmicosin Increased mortality rate; Respiratory tract disorder NOS; Digestive tract dis... Died
Apr 7, 2015 Cattle Holstein-Friesian also know... Monensin Sodium Lack of efficacy - NOS; Lack of efficacy (protozoa) - Coccidia Outcome Unknown
Apr 7, 2015 Cattle Cattle (other) Moxidectin Lack of efficacy - NOS; Lack of efficacy (ectoparasite) - lice Outcome Unknown
Apr 7, 2015 Cattle Holstein-Friesian also know... Monensin Sodium Death; Cardiac disorder NOS; Respiratory tract disorder NOS Died; Outcome Unknown

Frequently Asked Questions

Contact your veterinarian immediately. If the reaction is severe, difficulty breathing, seizures, collapse, or severe swelling, seek emergency veterinary care right away. After your pet is stabilized, report the adverse event to the FDA through safetyreporting.hhs.gov or by calling 1-888-FDA-VETS (1-888-332-8387). Reporting helps the FDA identify safety issues that can lead to label changes or product recalls.

Dogs account for the majority of adverse event reports, followed by cats. This reflects both the larger pet population and wider range of medications for these species. Flea and tick products, pain medications (NSAIDs), and heartworm preventives are among the product categories with the highest report counts across all species.

Not necessarily. A drug used by millions of pets will have more reports in absolute numbers than a niche product, even if the actual rate of adverse events is lower. The FDA uses these reports as one of many tools to evaluate drug safety, looking for patterns and statistical signals rather than raw counts alone. Always consult your veterinarian before changing any medication.