The medical term for ‘itch’ to refer to an unpleasant sensation that provokes a person’s desire to scratch. It can be generalized or localized, acute or chronic, mild or intractable. It is chronic pruritus if it lasts more than six weeks. The itch may be caused by certain systemic or neuropathic conditions like atopic dermatitis, urticaria, drug eruption, mastocytosis, arthropod assault, dermatitis herpetiformis, etc.