What is Canine Demodicosis? Demodex spp. are cigar shaped microscopic parasitic mites that live within the hair follicles of all dogs. It is thought that the body’s. This update will start with a brief history and background on canine demodicosis followed by a brief review of the latest published insight into the demodex mites. Demodicosis is a common dermatosis in dogs and is now a more recognized problem in cats.

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All dogs respond at their own rate; as long as the skin scrapings at each visit show fewer mites, the current therapy should be continued for an additional month.

Advocate spot-on is generally used for milder cases and is usually used monthly. Feeding the dog a complete and balanced diet is important.

Immunology and pathogenesis of canine demodicosis.

Underlying causes include diabetes mellitus, hyperadrenocorticism either naturally occurring or iatrogenic due to glucocorticoid administrationneoplasia, treatment with immunosuppressive agents, hypothyroidism, heartworm disease, intestinal parasitism, and leishmaniasis. Clipping medium- and long-haired dogs may facilitate dipping by allowing better contact between the skin and the dip solution.

This site is optimised for modern web browsers, and does not fully support your browser version, we suggest the use of one of the following browsers: Generalised cases in young dogs and those in adult dogs require intensive treatment. For the vast majority of dogs, these mites never cause a problem. ChromeFirefoxMicrosoft Edgesome sections of the website may not work correctly such as web forms.

Sarcoptic Mange in Dogs. To find mites, it is necessary to obtain multiple, deep skin scrapings from affected areas. Out of hours emergency: If treatment is recommended, topical therapy e. In some situations, additional medications are prescribed, such as antibiotics if a secondary bacterial infection has occurred. Some cases require long term medication to keep mite numbers controlled. Generalised disease in juvenile and adult dogs is a more serious disease, although there is no uniformly accepted way of defining the number of lesions needed to classify generalised disease.


Treatment should be continued for 4 weeks after the second negative skin-scraping result.

The licensed treatments for demodicosis in the UK include a dip solution called Aludex and a spot-on product called Advocate.

A spatula or 10 scalpel blade can be used to collect the samples. Alternatively, the skin can be squeezed and then scraped with a blade to collect up the surface debris from the skin.

Many patients present with circular areas of alopecia. As stated above, the good news is that, most often, localized infestations resolve themselves without treatment!

Once treatment is stopped, the patient is considered to be in remission. This sometimes occurs in dogs without an obvious underlying problem. Treatment using the products discussed below is considered off-label. Patients with deep pyoderma require longer treatment until complete cainne.

Additional tests for hyperadrenocorticism acnine thyroid function as well as radiography and ultrasonography may also be warranted, depending on the case. Extra-label use of amitraz, milbemycin canone, ivermectin, and moxidectin may be effective therapeutical alternatives for dogs with resistant CGD or dogs that have an intolerance to the licensed amitraz protocol.

The plugged follicles also canie large amounts of scale to be present on the hairs themselves. The inability to identify and manage the underlying cause may decrease the likelihood of a successful outcome.


Patients with demodicosis should not be treated with glucocorticoid therapy or other types of immunosuppressive drugs.

However in some instances, mite populations become huge resulting in inflammation and clinical disease. Mild and localised forms of demodicosis in young dogs may not require treatment, and may resolve spontaneously as the animal ages.

Reducing stress and providing adequate nutrition can also improve success in managing demodicosis.

New approaches to the treatment of canine demodicosis.

Canune dogs with demodicosis, allergic dermatoses was an associated disease. If you have any queries or concerns, please do not hesitate to contact us. Pododemodicosis is especially difficult to cure and carries a poor prognosis.

If an underlying cause cannot be determined at diagnosis, monitoring should continue throughout treatment. Ivermectin Ivomec injection for cattle and swine, Merial is a common first-choice treatment of many dermatologists 2,3,5 because it is easy to administer and reasonably priced.

Treatment should be administered daily for a minimum of 3 months and for at least 1 month after a series of negative skin scrapings. For chronic cases or cases that take a relatively long time to respond to therapy, 2 to 3 months of treatment beyond negative scrapings may be more appropriate. Skip to main content.

It is important that they also cankne a good understanding of the disease. Treatment options depend on many factors, such as patient history, extent and location of clinical signs, and the patient’s breed. Generalized demodicosis is more difficult to treat and carries a more guarded prognosis.