Q:

How does nummular dermatitis work?

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Quick Answer

According to the American Academy of Dermatology, nummular dermatitis is a skin condition in which coin-shaped rashes break out and cause itching or burning. It is generally seen after some sort of skin injury, such as an insect bite, burn or friction-caused abrasion. One or many patches may break out, and it can persist for weeks or even months.

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Full Answer

Nummular dermatitis may also be referred to as nummular eczema or discoid eczema and is considered to be non-contagious. The American Academy of Dermatology asserts that this particular skin condition is more common in men than women, citing that men will often have their first outbreak between the ages of 55 and 65. If women do have it, they will generally develop initial outbreaks much earlier in life, usually between the ages of 15 and 25.

Research suggests that living in a cold, dry climate increases chances of contracting nummular dermatitis, along will poor blood flow and other skin infections caused by bacteria. Certain medications may also increase the risk of contracting nummular dermatitis, such as interferon, which has been cited as causing wide-spread nummular dermatitis. The American Academy of Dermatology recommends seeing a dermatologist right away once the condition develops and asserts that these sores can be stubborn to treat.

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