Frequent and lengthy bathing with hot water and harsh soap is another major cause. A compound that produces an allergic reaction, such as a food or chemical, that can produce itchy hives, rashes or other irritations on the skin. Some common foods that produce itchy hives are strawberries, tomatoes and nuts. One of the main causes of itchy, tender skin. Can range from mild to severe and usually occurs in the winter months when humidity is low outdoors, and inside heated homes, where skin can become dehydrated.
Excessive scratching can lead to secondary infections and further complications.
Tends to get more severe as one ages, when the skin begins to lose natural moisture. They can attach to and bite human skin. Flea saliva can cause allergic reactions. Insect saliva can cause an allergic reaction, which releases histamine and causes the itching. While actual bites usually disappear in a few days, excessive scratching may lead to secondary infection and bleeding.