Cat owners should pay special attention to these common household items as they can be poisonous (and deadly) to your feline pets.

(It is a standard recommendation to call poison control for their advice.This will help direct our treatment and provide the most effective and rapid care for your pet.)

Lilies and Various Plants

  • Especially Asiatic, Japanese, and Easter lilies — do not bring these into the house!
    • Can cause permanent kidney damage within HOURS.
    • Caused by ingestion of any part of the leaf, stamen, pollen, flower, or drinking water with cut lilies in it.
    • Calla and Peace lilies are OK.


  • Causes permanent kidney failure, cannot be processed.
  • Even one lick is toxic.

Strings, Dental Floss, Small Toys, Ribbon and Tinsel

  • If ingested, can get stuck within the intestines and require surgery to remove.
  • DO NOT pull strings from the mouth or the hind end. Call a veterinarian as soon as possible.


  • If ingested, can get stuck within the intestines and require surgery to remove.
  • Pennies contain zinc, which causes damage to red blood cells.


  • Onions/Garlic
    • Cause damage to red blood cells.
    • Do not feed any table scraps that have been prepared with onions/garlic.


  • Tylenol/Acetaminophen
    • Causes permanent liver damage, cannot be processed.
  • Flea and tick medications specifically for dogs which contains pyrethrins
    • If your cat routinely spends time with or grooms your dog, keep them separate for 24-36 hours after application, or avoid these brands altogether.
    • Over the counter flea medications
      • Some over the counter flea medications can cause serious reactions like tremoring, vomiting, seizures, coma, death.
      • It's always advisable to purchase these medications through a veterinarian.
  • Clinical signs to watch for:
    • Vomiting, especially frequent/continuous
    • Loss of appetite
    • Drooling
    • Poor energy level
    • Drinking more/urinating more
    • Heavy breathing
    • Hiding
    • Change in behavior

Animal Poison Control & Local Pet Emergency Clinics

ASPCA Poison Control
(P) 888-426-4435
$65 consultation fee, 24 hours a day, 365 days a year

MSPCA-Angell (Jamaica Plain)
(formerly Angell Memorial)
(P) 617-522-7282

Massachusetts Veterinary Referral Hospital (Woburn)
(Intown Veterinary Group)
(P) 781-932-5802

BluePearl (Waltham)
Specialty & Emergency Medicine for Pets
(P) 781-684-8387