Nummular dermatitis is a form of dermatitis that appears on the skin as round or oval-shaped itchy lesions. These lesions may become crusty and may ooze.
There is no known cause of nummular dermatitis; however, it is believed to be associated with allergic reactions to various environmental elements.
What does Nummular Dermatitis look like?
Nummular dermatitis appears as round lesions on the body often on the arms or legs. These lesions range in size from 1” to larger than 4”. Nummular dermatitis is characterized by pink, red or brown lesions that are scaly and inflamed. Other symptoms include:
- Lesions that weep
- Lesions that resemble ringworm
- Lesions that itch and burn, especially at night
- If a staph infection develops, the nummular dermatitis lesion may crust and turn yellowish.
Who is like to get Nummular Dermatitis?
Those with a greater likelihood to contract nummular dermatitis include those who:
- Have a personal or family history of allergies
- Have a personal or family history of asthma
- Have a personal or family history of atopic dermatitis
- Have sensitive skin that is easily irritated
- Live in cold, dry climates
- Have circulatory problems
- Have chronic dry skin
- Males, 55-65 years old
- Females, 15-25 years old
What are the treatment options for Nummular Dermatitis?
One of the keys to treatment and prevention of nummular dermatitis involves keeping the skin moisturized. Lotions, creams, and bath oils may help prevent an outbreak. If the condition flares up, a common treatment involves the application of topical corticosteroids. Oral antihistamines may help lessen itching. More severe cases sometimes respond to ultraviolet light treatment.
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*Treatment options may vary at each location.
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