Suspect poisoning? US: ASPCA Poison Control (888) 426-4435 · UK: 01202 509 000 · Severe symptoms → nearest emergency vet now.

My dog bit a glow stick at a party — what symptoms start first and how long do they last?

Dogs · Emergency guide

Last reviewed: 2026-09-05 · Reference ranges: ASPCA, Pet Poison Helpline & Merck Veterinary Manual

Short answer

The first signs start immediately and are a reaction to the awful taste, not systemic poisoning. Your dog will begin excessive drooling and foaming at the mouth, often while pawing frantically at their face or rubbing it on the floor. The bitter liquid causes intense agitation and vocalizing. These signs can last for several hours until the taste is washed away. Vomiting is less common but possible. Wipe your dog's mouth and fur with a damp cloth, offer a little plain water, and call the ASPCA poison line at 888-426-4435 for guidance.

Why is glow stick liquid dangerous?

The liquid contains dibutyl phthalate and other bitter-tasting chemicals. It is a low-toxicity irritant. The main risk is the pet's violent reaction to the awful taste, not systemic poisoning.

Cats and dogs often bite into glow sticks, necklaces, or bracelets left from parties, Halloween, or camping. The liquid gets on their fur and mouth, causing intense drooling and pawing at the face.

Why speed matters

Delaying care significantly worsens outcomes. Some signs appear hours or days later, so "looks fine right now" is not a reason to wait.

Signs to watch for

  • Excessive drooling and foaming at the mouth starting immediately after chewing.
  • Pawing at the mouth or rubbing the face on the floor.
  • Agitation or vocalising due to the unpleasant taste.
  • The pet's mouth, fur, or the floor may glow under UV light.
  • Vomiting or gagging can occur but is less common.

What to do right now

  1. Call your vet or a poison helpline for advice. This is usually not an emergency, but they can confirm the next steps.
  2. Wipe the pet's mouth and fur gently with a damp cloth to remove the glowing liquid. Wear gloves to protect your own skin.
  3. Offer a small amount of water or a bland food like plain chicken to help wash the taste away.
  4. Check the pet's mouth for any signs of irritation or plastic fragments from the stick.
  5. Do NOT induce vomiting. The liquid is an irritant and vomiting will cause more distress.
If your pet shows any of the signs above, go to the nearest emergency vet now and call ahead.

The step-by-step response, from the first minute to the vet visit, is in our Glow Stick & Glow Jewelry Liquid Poisoning emergency guide.

Open the full emergency guide: Glow Stick & Glow Jewelry Liquid Poisoning →