Malassezia dermatitis in dogs
The fungus is known as Malassezia in dogs, although living skin usually can cause various disorders.
The disease of which we speak today is peculiar because it is caused by a microorganism that lives on the skin regularly. When specific changes occur, Malassezia in dogs becomes a fungal pathogen, causing dermatitis and other disorders.
The Malassezia in dogs
First of all, it is useful to know a little more deeply about this organization. The genus Malassezia was first described around 1874 as a somewhat particular fungus, both morphologically and lifestyle. Currently, they are known up to 11 different species, which is responsible for the called dermatitis in dogs or Malassezia pachydermatis.
Under normal conditions, this fungus lives on the skin of dogs, with a unique presence in the ears, mouth, or genital area of the animal. Various factors – such as natural desquamation of the skin itself or the innate immunity of dog- maintain the growth of Malassezia within a balance.
When the population of this fungus is within the limits of their presence, it is even beneficial, because it prevents other species of harmful fungi begin to generate in the tissues of the skin. However, Malassezia can start growing out of control in certain situations, such as:
- A significant increase in moisture or heat.
- A more significant amount of lipids, i.e., an alteration in the production of sebaceous glands dog.
- A depressed immune system, the existence of skin allergies, or even excess folds of skin.
Symptoms in dogs
As can be seen, this fungus is opportunistic, meaning that it fails to generate when other major pathologies are manifesting. One of the main symptoms and perhaps the most enlightening is the unpleasant rancid odor begins to release the mantle of the dog. This is because of the scabs, often accompanied by itching.
Other characteristic symptoms of dermatitis Malassezia are:
- Hair loss in the affected area.
- Swollen, red skin, a phenomenon commonly known as erythema.
- Desquamation and intense itching.
Usually, the abdomen is the primary site of infection. Then it is spreading to the arms, the area of English and head. Sometimes it reaches the extremities and causes footrot, characterized by the brown color of the interdigital space.
Certain breeds with a predisposition to this dermatitis, such as the Basset hound, Poodle, the farmer, or the Shar-Pei, among others.
Is there a treatment for this dermatitis?
If your dog exhibits the symptoms mentioned, you should go to the vet without fail for consideration. Once there, the veterinarian will perform a series of diagnostic tests and cell culture – a count, so generally. If an infection is confirmed Malassezia, the first thing will be to apply antifungal products based on imidazole.
Depending on the extent of the affected area, the treatment may take several forms. If the lesion is very localized, the topical application of antifungal cream is usually sufficient. In more severe cases, follow daily treatment with particularly suitable for this type of infection shampoos.
A few weeks later, he again to count the number of colonies of Malassezia if returns within the usual limits mean that the treatment has taken effect and, in any case, maybe prescribed some preventive shampoo.
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