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Some causes of itching are:

1. dry skin

2. Allergens in contact with the skin

3. Allergens that enter the body

4. Chemicals that contact the skin

5. Chemicals that enter the body (could be medicines)

6. Healing of damaged skin

7. Diseases

Itching, also known as pruritus, starts with some kind of external stimuli, including bugs, dust, clothing fibers and hair. Like tickling, itching is a built-in defense mechanism that alerts your body to the potential of being harmed. In this case, it might be the potential of being bit by a bug. When the stimuli lands on your skin, it may not bother you at first, but soon it will begin to rub back and forth across your skin. Once the hair or dust scratches your skin's surface layer, receptors in the dermis of the skin will become irritated. In a split second, these receptors send

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10y ago

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