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Skin is the only organ that is constantly exposed to potential irritation.
And, with so many things coming into contact with your skin daily, you're bound to get an itch or two. Serious itching can be caused by allergies , disease, emotions and infections, but let's take a look at what causes the common itches that aggravate you everyday. 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.