Nummular Dermatitis
What Is Nummular Dermatitis?
Nummular dermatitis is a chronic skin disorder characterized by scaly, itchy, and disc-shaped patches of red, inflamed skin. This condition is also known as nummular eczema, discoid eczema, and coin-shaped eczema. Nummular dermatitis is prevalent in people of all ages, but is most common in adults between the ages of 30 and 50.[1]
What Are the Symptoms of Nummular Dermatitis?
The most common symptom of nummular dermatitis is disc-shaped patches of irritated skin. These patches can appear anywhere on the body, but are most common on the arms, legs, and torso. These patches may be
- Itchy, red, and scaly.
- Sore and swollen.
- Dry and cracked.
- Accompanied by a burning sensation.
In some cases, the patches may become moist and oozing.
What Causes Nummular Dermatitis?
While the exact cause of nummular dermatitis is unknown, there are a few factors that may trigger the condition. Common triggers include:
- Allergens, such as pollen.
- Medications, such as antibiotics.
- Infections, such as bacterial or fungal.
- Extreme temperatures.
- Extreme sweating.
- Chemical irritants, such as soaps and detergents.
- Stress.
How Is Nummular Dermatitis Treated?
Treatment for nummular dermatitis typically involves the use of topical steroids, such as hydrocortisone. These medications can reduce inflammation, itching, and dryness. Other treatments may include the use of antihistamines to reduce itching, and antibiotics to reduce secondary bacterial infections. Increasing humidity levels in the home can also be beneficial in alleviating the symptoms of nummular dermatitis.[2]
Conclusion
Nummular dermatitis is a chronic skin disorder characterized by itchy, red, scaly, disc-shaped patches of skin. This condition can be triggered by allergens, extreme temperatures, and stress. Treatment typically involves the use of topical steroids, antihistamines, and antibiotics. Increasing humidity levels in the home can also be beneficial in alleviating the symptoms of nummular dermatitis.
