The word itch is derived from the Latin word Pruritus. Itch is an unpleasant tingling sensation, which evokes the need to scratch. It can be very discomforting and frustrating and can happen at any time. In severe cases itching can result in sleeplessness, depression and anxiety. It is therefore a complex process that usually occurs when some nerves react to a certain kind of chemicals like histamine, which release in the skin. On the other hand, itching can also be a result of a skin disease, any internal disorder or in some cases, it is seen to be due to the faulty dispensation of the itch sensation within the nervous system. The question arises that what causes an itch? Read more