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.
| Date | Species | Breed | Drug | Reaction | Outcome |
|---|---|---|---|---|---|
| Jan 1, 2015 | Cattle | Holstein-Friesian also know... | Sometribove | Injection site abscess; Injection site lump | Outcome Unknown |
| Jan 1, 2015 | Cattle | Cattle (unknown) | Monensin Sodium | Aggression; Increased appetite; Behavioural disorder NOS | Recovered/Normal |
| Jan 1, 2015 | Cattle | Holstein-Friesian also know... | Monensin Sodium | Reduced conception rate | Outcome Unknown |
| Jan 1, 2015 | Cattle | Cattle (unknown) | Sometribove | Injection site infection | Outcome Unknown |
| Jan 1, 2015 | Cattle | Holstein-Friesian also know... | Sometribove | Claw / hoof / nail disorder NOS; Mammary gland disorder NOS | Outcome Unknown |
| Jan 1, 2015 | Cattle | Holstein-Friesian also know... | Monensin Sodium | Alteration of milk quality | Recovered/Normal |
| Jan 1, 2015 | Cattle | Holstein-Friesian also know... | Monensin Sodium | Abnormal birth weight | Recovered/Normal |
| Jan 1, 2015 | Cattle | Cattle (unknown) | Ractopamine Hydrochloride | Death | Died |
| Jan 1, 2015 | Cattle | Cattle (unknown) | Tilmicosin | Lack of efficacy - NOS | Outcome Unknown |
| Jan 1, 2015 | Cattle | Holstein-Friesian also know... | Monensin Sodium | Alteration of milk quality | Outcome Unknown |
| Jan 1, 2015 | Cattle | Cattle (unknown) | Monensin Sodium | Infertility NOS; Weight gain | Recovered/Normal; Outcome Unknown |
| Jan 1, 2015 | Cattle | Cattle (unknown) | Monensin Sodium | Death; Cardiac disorder NOS; Pericardial haemorrhage; Pulmonary congestion; P... | Died |
| Jan 1, 2015 | Cattle | Holstein-Friesian also know... | Monensin Sodium | Alteration of milk quality | Recovered/Normal |
| Dec 31, 2014 | Cattle | Red Angus | Trenbolone Acet/Estradiol Impl | Found dead | Died |
| Dec 30, 2014 | Cattle | Mixed (Cattle) | Monensin Sodium | Death | Died |
| Dec 30, 2014 | Cattle | Cattle (unspecified) | Ceftiofur Hydrochloride | Injection site swelling; Death by euthanasia; PR-INJECTION SITE, LESION(S) | Ongoing |
| Dec 29, 2014 | Cattle | Cattle (other) | Doramectin | Lack of efficacy - NOS; Pruritus; Rubbing; PR-SKIN, LESION(S); Dermatitis; Ri... | Outcome Unknown |
| Dec 29, 2014 | Cattle | Holstein-Friesian also know... | Doramectin; Phenol | Sudden death; Anaphylactic-type reaction | Recovered/Normal; Died |
| Dec 29, 2014 | Cattle | Holstein-Friesian also know... | Moxidectin | Lack of efficacy - NOS; Lack of efficacy (ectoparasite) - lice | Outcome Unknown |
| Dec 29, 2014 | Cattle | Cattle (other) | Tulathromycin | Lack of efficacy (bacteria) - NOS; Increased mortality rate | Died |
| Dec 28, 2014 | Cattle | Ayrshire | Cephapirin Sodium | Residues in milk | Outcome Unknown |
| Dec 28, 2014 | Cattle | Holstein-Friesian also know... | Ivermectin(1%)/Clorsulon(10%) Injection | Illness NOS; Death | Died; Outcome Unknown |
| Dec 25, 2014 | Cattle | Aberdeen Angus, Cattle (unk... | Monensin Sodium | Death; Ruminal bloat | Died |
| Dec 23, 2014 | Cattle | Cattle (other) | Ceftiofur Hydrochloride | Residues in milk | Outcome Unknown |
| Dec 22, 2014 | Cattle | Cattle (other) | Doramectin | Lack of efficacy - NOS; Scratching; Localised hair loss; Lack of efficacy (ec... | Outcome Unknown |
| Dec 22, 2014 | Cattle | Holstein-Friesian also know... | Monensin Sodium | Lateral recumbency; Ataxia | Recovered/Normal |
| Dec 22, 2014 | Cattle | Cattle (other) | Doramectin; Phenol | Lack of efficacy - NOS; INEFFECTIVE, PARASITE(S) NOS; Weight loss; Low weight... | Outcome Unknown |
| Dec 21, 2014 | Cattle | Holstein-Friesian also know... | Florfenicol/Flunixin Inj-Triac | Respiratory signs; Death; Lack of efficacy - NOS; Lack of efficacy (bacteria)... | Ongoing; Died |
| Dec 21, 2014 | Cattle | Holstein-Friesian also know... | Moxidectin | Recumbency; Lethargy (see also Central nervous system depression in 'Neurolog... | Recovered with Sequela; Died |
| Dec 20, 2014 | Cattle | Aberdeen Angus | Eprinomectin 5 Mg/Ml Pour-On Solution | Scratching; Localised hair loss; Systemic disorder NOS; Lack of efficacy - NO... | Outcome Unknown |
| Dec 20, 2014 | Cattle | Cattle (unknown) | Ivermectin 0.5% Pour-On Topical Solution | Itching; Localised hair loss; Systemic disorder NOS; Lack of efficacy - NOS; ... | Outcome Unknown |
| Dec 19, 2014 | Cattle | Cattle (other) | Lasalocid Sodium | Lack of efficacy - NOS; Lack of efficacy (protozoa) - Coccidia | Died |
| Dec 18, 2014 | Cattle | Cattle (other) | Tulathromycin | Lack of efficacy (bacteria) - NOS; Death; Abnormal necropsy finding; Pulmonar... | Died; Outcome Unknown |
| Dec 17, 2014 | Cattle | Cattle (other) | Ceftiofur Crystalline Free Acid | Sudden death; Paddling | Died |
| Dec 17, 2014 | Cattle | Cattle (other) | Tulathromycin | Increased mortality rate; Lameness; Lack of efficacy (bacteria) - NOS; Abnorm... | Died; Outcome Unknown |
| Dec 16, 2014 | Cattle | Aberdeen Angus | Enrofloxacin | Foaming at the mouth; Sudden death; Downer animal | Died |
| Dec 16, 2014 | Cattle | Cattle (other) | Ceftiofur Crystalline Free Acid | Lack of efficacy (bacteria) - NOS; Death; Drug dose administration interval t... | Died; Outcome Unknown |
| Dec 16, 2014 | Cattle | Holstein-Friesian also know... | Ceftiofur Crystalline Free Acid | Residues in meat/offal | Euthanized |
| Dec 15, 2014 | Cattle | Cattle (unknown) | Monensin Sodium | Decreased appetite; Death; Stiffness NOS; NT - Abnormal necropsy finding NOS | Recovered/Normal; Died |
| Dec 15, 2014 | Cattle | Aberdeen Angus | Ivermectin 0.5% Pour-On Topical Solution | Pruritus; Hair loss NOS; Lack of efficacy - NOS; Systemic disorder NOS; Lack ... | Outcome Unknown |
| Dec 15, 2014 | Cattle | Aberdeen Angus | Ivermectin 0.5% Pour-On Topical Solution | Scratching; Hair loss NOS; Lack of efficacy - NOS; Systemic disorder NOS; Lac... | Outcome Unknown |
| Dec 15, 2014 | Cattle | Aberdeen Angus | Eprinomectin 5 Mg/Ml Pour-On Solution | Pruritus; Hair loss NOS; Lack of efficacy - NOS; Systemic disorder NOS; Lack ... | Outcome Unknown |
| Dec 15, 2014 | Cattle | Aberdeen Angus | Ivermectin 0.5% Pour-On Topical Solution | Scratching; Hair loss NOS; Lack of efficacy - NOS; Systemic disorder NOS; Lac... | Outcome Unknown |
| Dec 15, 2014 | Cattle | Cattle (unknown) | Amprolium | Lack of efficacy (protozoa) - Coccidia | Outcome Unknown |
| Dec 15, 2014 | Cattle | Holstein-Friesian also know... | Sometribove | Mammary gland oedema | Outcome Unknown |
| Dec 13, 2014 | Cattle | Holstein-Friesian also know... | Monensin Sodium | Death | Died |
| Dec 13, 2014 | Cattle | Aberdeen Angus, Aberdeen Angus | Doramectin | Lack of efficacy - NOS; Scratching; Hair loss NOS; INEFFECTIVE, LICE BITING | Outcome Unknown |
| Dec 12, 2014 | Cattle | Cattle (other) | Tulathromycin | Lameness; Lack of efficacy (bacteria) - NOS; Death; Bone and joint disorder NOS | Died; Outcome Unknown |
| Dec 12, 2014 | Cattle | Cattle (other) | Tulathromycin | Lack of efficacy (bacteria) - NOS; Death | Ongoing; Died |
| Dec 12, 2014 | Cattle | Holstein-Friesian also know... | Chlortetracycline As Hydrochloride | No sign; Residues in milk | 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.