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Parásitos

Cheyletiellosis (walking dandruff)

Infestation by the Cheyletiella mite, which lives on the surface of the skin. It is called "walking dandruff" because the dandruff appears to move (these are the mites). It is a mild zoonosis.

MildDogsCatsRabbits Contagious Zoonosis

Mizuu editorial teamupdated on October 14, 2026Not yet reviewed by a vet. Are you a vet? Review itReport an error

Reference sources: ESCCAP España · WSAVA · LeishVet · Manual MSD de Veterinaria

Symptoms to watch for

  • • Abundant dandruff, especially along the back
  • • Mild to moderate itching
  • • The coat looks "dusty" over the affected area
  • • In people: small itchy welts

Causes

The Cheyletiella mite, spread by direct contact. Common in puppies, kittens and rabbits from breeders or pet shops.

Diagnosis

Examination with adhesive tape or a superficial skin scraping under the microscope.

Treatment

Specific antiparasitic treatments (many modern spot-on products cover it). Treat all animals in contact as well as the environment.

Prevention

Regular external antiparasitic treatment, quarantine of new animals.

When should you see the vet?

See your vet if you notice a lot of dandruff with itching, especially in young animals or if people in the household develop welts.

Consult a vet

This guide points you in the right direction and takes you to the vet; it does not diagnose.

Notice: this information is for general guidance and educational purposes only. It does NOT replace diagnosis or treatment by a registered veterinary surgeon. If you notice any symptoms, always consult a professional. Mizuu accepts no responsibility for the use of this information without veterinary supervision.

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Cheyletiellosis (walking dandruff) in pets: symptoms, causes and treatment