Can my dog eat mosquito coil?

No.

A chewed coil usually means drooling and vomiting, but liquid refills (Good Knight, All Out), sprays like Mortein or Kingtox, and creams like Odomos can cause tremors and fits. Call a vet now.

Already ate it?

If they ate itCall a vet now and keep the packet or refill to hand. Don't make them vomit — refill liquid is dangerous if it goes into the lungs. If they were sprayed or rolled in it, wash them with dish soap and water.
Watch forDrooling, vomiting, restlessness, twitching of the face or ears, tremors, wobbliness or fits — usually within the first hour. Coughing or fast breathing after vomiting refill liquid.

Thinking of giving it?

WhyCoils, mats, refills and sprays contain pyrethroid insecticides that over-excite the nerves; a coil is a low dose, while refills and sprays are more concentrated. DEET repellent creams can also cause vomiting and, in large amounts, fits. Cats are far more sensitive than dogs.

Where this comes from. VCA Animal Hospitals: Pyrethrin/Pyrethroid Poisoning in Dogs; ASPCA Animal Poison Control Center (ASPCApro): Don't DEET Your Dog.

Reviewed: 20 October 2026

A guide, not a diagnosis. If your dog seems unwell, call your vet.

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