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Home > Veterinary > What is the Difference Between Sarcoptic and Demodectic Mange?

Guilherme Mazui

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What is the Difference Between Sarcoptic and Demodectic Mange?

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Sarcoptic and demodectic mange are two types of mange that affect dogs, and they are caused by different types of mites. Here are the main differences between the two:

Sarcoptic Mange:

  • Caused by the Sarcoptes scabei mite, which burrows into the dog's hair follicles and skin.
  • Contagious and has zoonotic potential, meaning it can be transferred from dog to dog and dog to person.
  • Symptoms include intense itching, hair loss, and skin infections.
  • Sarcoptic mange can lead to whiteheads, skin infections, hair loss, and crusty scabs around the body.
  • Treatment typically involves medications and thorough cleansing of the dog's environment.

Demodectic Mange:

  • Caused by the Demodex canis mite, which resides and feeds in the hair follicles and oil glands of the dog's skin.
  • Not contagious to other animals or humans.
  • Symptoms include hair loss, skin thickening, and skin infections.
  • Demodectic mange is usually a result of an overgrowth of the Demodex mite, which is typically harmless and present on all dogs as a normal part of their skin flora.
  • Treatment may require patience and commitment, as it can take months before improvements are seen in the dog's skin and hair growth.

Both types of mange are treatable, but the treatment and recovery process may take some time. It is essential to consult with a veterinarian for proper diagnosis and treatment recommendations.

On this page
  • What is the Difference Between Sarcoptic and Demodectic Mange?
  • Comparative Table: Sarcoptic vs Demodectic Mange

    • Comparative Table: Sarcoptic vs Demodectic Mange

    Here is a table comparing the differences between sarcoptic and demodectic mange:

    Feature Sarcoptic Mange Demodectic Mange
    Cause Sarcoptes scabiei mite Demodex canis mite
    Contagious Yes, contagious to humans and other dogs No, not contagious to other dogs, cats, or humans
    Symptoms Red, scaly skin, typically starting in sparsely-haired areas like the ear flaps, elbows, and abdomen, but can spread to the entire body without effective treatment Hair loss, usually due to an overgrowth of Demodex mites, which are present on all dogs as a normal part of their skin flora
    Diagnosis Based on history of severe pruritus of sudden onset, possible exposure, and involvement of other animals, including humans. Making a definitive diagnosis can be difficult due to negative skin scrapings Diagnosis may be more straightforward than sarcoptic mange, as Demodex mites are always present on dogs' skin
    Treatment Treatment options include moxidectin, imidacloprid, miticidal treatment with ivermectin, milbemycin, doramectin, amitraz, fluralaner, afoxolaner, sarolaner, lotilaner, shampoos containing benzoyl peroxide, and antibiotic therapy Treatment options may vary depending on the severity of the condition, and recovery may take several months
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    Guilherme Mazui

    Guilherme Mazui is graduated in journalism from the Federal University of Minas Gerais (UFMG) and a master's degree in Communication from the University of São Paulo (USP). In addition, he has experience in advertising writing and has worked as a content editor in several companies.