What Is Black Mange?

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Black mange, also called demodectic mange and demodicosis, is a skin disease that appears in dogs and cats alike. Although this infection is relatively common in canines, it's significantly rarer in felines. Black mange is caused by the microscopic demodex mite. It's not contagious to people or other pets.

Demodex Mites

Black mange in dogs is brought on by a mite called Demodex canis. Demodex canis mites reside in the hair follicles. Different Demodex mites cause black mange in cats. They are Demodex gatoi or Demodex cati. The former mites reside on the skin's outside layer while the latter mites reside inside of the hair follicles. Demodex parasites are external parasites that people cannot view without the help of a microscope.

Black Mange and the Immune System

Minimal amounts of Demodex mites are often seen on pets' bodies, even when they're in perfectly good health. Dog and cat mothers transmit these mites to their offspring post-birth during the lactation process. These mites often don't trigger noticeable health issues. Animals who have weakened immune systems, however, may experience various conspicuous symptoms. Black mange is particularly prevalent in young puppies who have immune systems that aren't fully advanced, for example. The skin disease is especially prevalent in elderly dogs who have immune system suppression. When an animal is working with an immune system that's unable to properly handle the amount of mites on his body, the amount increases and black mange occurs.

Common Symptoms of Black Mange

Common signs of black mange in pets include the following:

  • Loss of hair 
  • Scabs and crusting 
  • Sores that hurt 
  • Swelling of the skin 
  • Redness of the skin

Black mange sometimes brings on secondary bacterial infections that cause severe itchiness, as well.

Generalized and Localized Black Mange

This skin disease exists in both generalized and localized types. Generalized black mange appears on significant segments of dogs' and cats' bodies and frequently causes secondary infections. It's sometimes an indication of other medical conditions in older animals, specifically heartworm disease, hypothyroidism and cancer. Localized black mange, on the other hand, happens when Demodex mites are limited to a couple of compact parts of the body, often just one. Localized black mange appears frequently in young dogs.

Veterinary Diagnosis and Treatment

If you have any reason to think your pet has black mange, schedule an appointment with the veterinarian immediately. If the vet diagnoses your animal with the skin disease, the exact treatment plan will be based on factors such as his general condition and health. Generalized and localized black mange cases often call for different treatment plans, too. Vets diagnose this disease by performing skin scrapings and evaluating the mites using a microscope.

If a pet's mange is associated with an overarching health ailment, the vet will treat that first potentially resolving the problem. Typical black mange treatment choices include dips, medicated benzoyl peroxide shampoo baths and broad spectrum antiparasitic medicines. Pets who develop secondary skin infections often receive antibiotic treatment.

Tip

  • Pets who have black mange are vulnerable to bacterial skin infections. If your pet has black mange, help protect him from bacterial skin infections by maintaining a meticulously clean living space for him. When he comes back indoors after being outside, rinse his body off thoroughly too.

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