Common skin conditions such as urticaria
and eczema can have an allergic origin. However it is sometimes
difficult to be sure of the cause of these skin diseases,
especially in the case of urticaria.
- Urticaria is mainly characterized by very itchy wheals and/or blisters similar to nettle stings.
- Eczema (also called dermatitis) is characterized by severe itching, excessive dryness and scaling of the skin