What is Amitraz Toxicity in Dogs: Side Effects, Treatments & Diagnosis

What is Amitraz Toxicity?

  • This is toxicity that occurs in relation to Amitraz use.
  • Toxicity from wearing a flea and tick collar is rare.
  • Severe cases of toxicity usually occur when dogs ingest the insecticide.
  • Curious puppies are commonly the ones who get Amitraz toxicity.

Amitraz Side Effects

The symptoms or the side effects of Amitraz on dogs usually appear within 2 to 6 hours after ingestion.

  • Vomiting
  • Staggering
  • Uncoordinated movements
  • Diarrhea
  • Lethargy
  • Weakness
  • Disorientation

Veterinary care is recommended in cases of Amitraz toxicity. If not treated, the toxicity can lead to serious consequences.

  • Coma
  • Death


  • Physical Checkup – Looks at the symptoms. Vomit may also be checked for pieces of flea collar.
  • Radiography of Stomach Contents – Checks for presence of flea collar
  • Tissue Samples – This is usually done as more of a supporting test that shows Amitraz in the tissues.


  • Inducing Vomiting – Done to help remove remaining pieces of flea collar
  • Gastric Lavage – May be necessary to remove the remaining flea collar pieces from the stomach
  • Activated Charcoal – Helps to stop the further absorption of Amitraz
  • Yohimbine – This helps reverse some of the effects of Amitraz
  • Intravenous fluid therapy for dehydrated dogs
  • Vets would most likely recommend the hospitalization for the dogs

Preventing Amitraz Poisoning

    Keep Amitraz Products Safely Stored – Store them away from a dog’s reach, especially from puppies. Avoid Using Amitraz When Possible – Amitraz is very effective, but if owners who have a lot of puppies at home might want to consider alternatives. There are many flea and tick products that do not use this as its main insecticide.

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