Browse Pet Safety Reports

1,493 FDA adverse event reports for pets.

FDA Veterinary Adverse Event Database

Browse 1,493 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 1,493 FDA veterinary adverse event reports for Other.

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Date Species Breed Drug Reaction Outcome
Dec 11, 2009 Other Unknown Monensin Accidental exposure; Death Died
Nov 9, 2009 Other Unknown Fenbendazole No sign
Nov 8, 2009 Other Unknown Fenbendazole Vomiting
Nov 1, 2009 Other Unknown Porcine Insulin INEFFECTIVE, LOSS OF EFFECT; Polydipsia; Polyuria
Oct 24, 2009 Other Unknown Pyrantel Pamoate No sign
Oct 20, 2009 Other Unknown Tiletamine, Zolazepam Death; PR-KIDNEY(S), LESION(S) Died
Oct 6, 2009 Other Unknown Pyrantel Pamoate Lack of efficacy (endoparasite) - hookworm
Sep 11, 2009 Other Unknown Detomidine INEFFECTIVE, SEDATION
Sep 9, 2009 Other Unknown Tiletamine, Zolazepam Hypersalivation
Sep 3, 2009 Other Unknown Pentobarbital, Phenytoin INEFFECTIVE, EUTHANASIA; Death by euthanasia Died
Aug 14, 2009 Other Unknown Tiletamine, Zolazepam Death; Fever Died
Aug 6, 2009 Other Unknown Selamectin Digestive tract disorder NOS; Adipsia; Anorexia; Depression; Trembling; Weigh...
Jul 2, 2009 Other Unknown Ketamine Hydrochloride PR-HEART, LESION(S); Death; PR-LUNG(S), LESION(S) Died
Jun 10, 2009 Other Unknown Butorphanol Tartrate Sedation prolonged
Jun 8, 2009 Other Unknown Propofol Death; PR-HEART, LESION(S) Died
Jun 1, 2009 Other Unknown Dexmedetomidine Hydrochloride INEFFECTIVE, SEDATION; Apnoea; Death Died
May 28, 2009 Other Unknown Ketamine Hydrochloride PR-KIDNEY(S), LESION(S); PR-HEART, LESION(S); Cardiac arrest; Apnoea; Death Died
May 13, 2009 Other Unknown Ivermectin Convulsion
May 6, 2009 Other Unknown Amoxicillin, Clavulanate Gastric dilation; Death; Abdominal mass; Adipsia; Ataxia; Anorexia Died
Apr 1, 2009 Other Unknown Xylazine INEFFECTIVE, ANESTHESIA
Apr 1, 2009 Other Unknown Xylazine Bradypnoea; Death Died
Mar 26, 2009 Other Unknown Melarsomine Dihydrochloride No sign
Mar 24, 2009 Other Unknown Ivermectin No sign
Mar 9, 2009 Other Unknown Medetomidine Death Died
Feb 16, 2009 Other Unknown Xylazine INEFFECTIVE, SEDATION
Feb 13, 2009 Other Unknown Pentobarbital, Phenytoin Death by euthanasia; INEFFECTIVE, EUTHANASIA Died
Jan 28, 2009 Other Unknown Ketamine Hydrochloride Death Died
Jan 26, 2009 Other Unknown Dexamethasone No sign
Jan 6, 2009 Other Unknown Pentobarbital, Phenytoin Arrhythmia; Twitching; Respiratory distress; INEFFECTIVE, EUTHANASIA Died
Jan 3, 2009 Other Unknown Meloxicam Aggression; Eye disorder NOS (for photophobia see 'neurological'); Confusion;...
Dec 17, 2008 Other Unknown Pyrantel Pamoate INEFFECTIVE, PARASITE(S) NOS
Dec 16, 2008 Other Unknown Sevoflurane INEFFECTIVE, ANESTHESIA
Dec 1, 2008 Other Unknown Imidacloprid, Moxidectin Diarrhoea
Nov 20, 2008 Other Unknown Ivermectin Constipation; Loss of condition; Death Died
Nov 12, 2008 Other Unknown Ivermectin, Pyrantel Death Died
Nov 4, 2008 Other Unknown Spinosad Vomiting
Oct 30, 2008 Other Unknown Pentobarbital, Phenytoin Twitching; Dyspnoea Died
Sep 30, 2008 Other Unknown Pentobarbital, Phenytoin INEFFECTIVE, EUTHANASIA Died
Sep 30, 2008 Other Unknown Pentobarbital, Phenytoin INEFFECTIVE, EUTHANASIA Died
Sep 18, 2008 Other Unknown Propofol INEFFECTIVE, ANESTHESIA; Recovery prolonged
Sep 9, 2008 Other Unknown Oxytetracycline Hydrochloride No sign
Aug 5, 2008 Other Unknown Sevoflurane Bradycardia; Apnoea
Aug 5, 2008 Other Unknown Oxytetracycline Hydrochloride Color, Abnormal; Odor, Abnormal; Death Died
Aug 1, 2008 Other Unknown Penicillin G Procaine Injection site pain; Suspension, Abnormal
Jul 16, 2008 Other Unknown Pentobarbital, Phenytoin INEFFECTIVE, EUTHANASIA Died
Jul 16, 2008 Other Unknown Pyrantel Pamoate Sneezing; Urticaria; Dermatitis; Pruritus
Jun 14, 2008 Other Unknown Meloxicam Weight loss
Jun 13, 2008 Other Unknown Pentobarbital, Phenytoin INEFFECTIVE, EUTHANASIA
Jun 6, 2008 Other Unknown Ivermectin, Pyrantel No sign
May 21, 2008 Other Unknown Ivermectin Somnolence; Depression; Death Died

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.