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Antibiotics

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Poisonous to: Cats, Dogs

Level of toxicity: Generally mild to severe

Common signs to watch for:

  • Drooling
  • Inappetance
  • Vomiting
  • Diarrhea
  • Discolored teeth
  • Inappropriate drinking or urinating
  • Skin lesions
  • Tremors
  • Seizures
  • Death

Antibiotics are commonly used in veterinary medicine to treat bacterial infections in dogs and cats. When antibiotics are ingested in toxic amounts, it can result in mild to severe signs ranging from gastrointestinal signs (e.g., drooling, vomiting, diarrhea, inappetance, discolored teeth), metabolic signs (e.g., skin lesions, liver failure, kidney failure, etc.) to central nervous system signs (e.g., tremors, seizures, death). One type of “antibiotic” called isoniazid is used for the treatment of tuberculosis in human medicine, and can be deadly when dogs and cats ingest them (resulting in severe tremors, seizures, and death). As there are hundreds of different types of antibiotics, always check with your veterinarian or Pet Poison Helpline if your dog or cat accidentally ingested antibiotics.

Poison type: Topical Medications

Alternate names: neosporin, triple antibiotic, bacitracin, neomycin, polymyxin, topical, enrofloxacin, ampicillin, amoxicillin, Clavamox, Baytril, Keflex, cephalosporins, isoniazid