Nummular Eczema Nummular eczema is a skin problem which is generally characterized by itchy patches or circular spots on the skin. It is a type of an allergy disorder which is triggered or made worse by certain irritants. Mostly this problem is hereditary. No real cause of this disease is known but people who have a family history of certain allergies and asthma are known to have nummular eczema. This disease is not a common one and mostly occurs in older men. Nummular eczema can never be treated properly and it always persists in the person who has it but there it certain things that aggravate the situation and make the irritation worse. Among these irritants, the most commonly known are dry skin which may be caused by temperature or climatic changes such as when the weather changes to a cold one or one that person moves to a colder climatic region. It may also be caused by environmental irritants and stress has also been known to a factor of nummular eczema. The only symptoms ...