These mites (Demodex canis) thrive only on their specific hosts (dogs). The transmission of these mites from mother to pup is normal. But some dogs develop an overgrowth of these mites, a condition called demodicosis, or demodectic mange. WHAT YOU MAY NOTE. Signs of demodicosis can. Abstract. Demodicosis is a common canine ectoparasitosis. Recognising the clinical presentation, identifying the parasite and choosing the most appropriate.

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Treatment using the products discussed below is considered off-label.

In severe cases not demoficosis to the licensed treatments, off-licence treatments must be used. Other avermectin drugs that can be used include doramectin and milbemycin.

Your login session has timed out. The client’s ability and willingness to administer a therapy should be discussed when choosing a therapy, as should financial considerations.

Canine Demodicosis

Scraping should be deep enough to produce capillary bleeding while squeezing the area being scraped; this forces mites deep in the hair follicle to the surface. Localised demodicosis in juvenile dogs presents as patches of hair loss and red inflamed skin.

The treatment for demodicosis will vary depending on whether the infection is localized or generalized. In these cases, mite numbers have been controlled dlgs normal numbers in the hair follicles for years prior to the onset of disease, which tends to result from a systemic illness affecting the immune system. If demodjcosis, these patients may also develop hyperpigmentation and lichenification along with increased body odor due to excess sebum production from sebaceous glands associated with hair dog.

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

The person applying the dip should wear gloves and protective clothing, and the patient should be treated in a well-ventilated area. Demodex mites from dogs are considered non-infectious to in-contact animals and people. Delete Case Do you want to delete this case?


Generalised cases in young dogs can take many weeks or even months of treatment, but it is usually possible to control the disease with a good long term outlook. The severity of clinical signs e. Advocate spot-on is generally used for milder cases and is usually used monthly. Females with generalized demodex should be spayed because the stress of the estrus cycle will often bring on a fresh wave of clinical signs. As stated above, the good news is that, most often, localized infestations resolve themselves without treatment!

The mite Demodex canis is an ectoparasite and a normal inhabitant of canine doys follicles and sebaceous glands of the skin.

Rarely, a biopsy of affected skin is needed to diagnose the condition. Patients often appear clinically normal demodicosos 1 to 2 months of therapy, but it is vital that owners do not stop the treatment because mites may still be present and a relapse is likely without the full treatment.

Draining tracts may also form due to rupturing hair follicles. Figure 2 Hair loss and inflammation in a young Dalmation dog with generalised demodicosis. Use the browser back button to return. Dogs with demodicosis demodidosis a decrease in plasma copper and zinc levels due to the increased demand for antioxidant activity. Generalized demodicosis is a more serious disease. Clipping medium- and long-haired dogs may facilitate dipping by allowing better contact between the skin and the dip solution.

The solution should be prepared as labeled dilute 1 bottle [ May Learn how and when to remove this template message. Recent research, however, found that demodex mite can hardly be found on clinically normal dogs, meaning that the presence of any number of mites in a sample is very likely to be significant.

As the parasites damage the hair follicles, secondary bacterial infections are very common and affected dogs can develop discharging lumps within the skin Figure 3.

Patients with localized demodicosis may not need to be treated. Other adverse effects include bradycardia, hypothermia, and hyperglycemia.

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Ivermectin may also be used. Cats with Demodex gatoi must be treated with weekly or bi-weekly sulfurated lime rinses. Some of these drugs, such as Ivermectin and Milbemycin, are used for demodicosis in other countries.


Please help improve this article by adding citations to reliable sources. Generalized demodicosis can also occur in older dogs and demidicosis then often secondary to an underlying disease that is suppressing the dog’s immune system.

However, in certain situations, such as an underdeveloped or impaired immune systemintense stressor malnutritionthe mites can reproduce rapidly, causing symptoms in sensitive dogs that range from mild irritation and hair loss on a small patch of skin to severe and widespread inflammation, secondary infection, and in rare cases can be a dobs condition.

Demodicosis – Wikipedia

Demodicosis is seen most often in purebred dogs 1,2 and puppies and young dogs up to 18 months of age. One year after a second negative skin-scraping result and no recurrence of disease, the patient can finally be declared cured. Ear Mites in Dogs. The dip is performed on a weekly basis until mite numbers are brought under control. Treatment of canine demodicosis can be challenging, and therapeutic options depend on many factors, demodocosis type of demodicosis localized or generalized, juvenile or adult onsetpatient history and breed, underlying causes, and client considerations.

If treatment is deemed necessary Goodwinol, a rotenone -based insecticide ointment is often prescribed, but it can be irritating to the skin. Sarcoptic Mange in Dogs.

Femodicosis on the location it may result in small pustules pimples or pustules at the exit of hair, on inflamed, congested skin. Willows website uses cookies – by continuing to browse the website you are agreeing to our use of cookies.

A minimum database i. The plugged follicles also cause large amounts of scale to be present on the hairs themselves.