The term 'Chicken Pox Symptom' is associated with the four letter word 'ITCH'. Chicken Pox is a highly contagious virus that causes an itchy rash, fever, and fatigue. The most common symptom of Chicken Pox is an itchy rash that appears on the face, scalp, chest, and back. It can also cause itching in other areas of the body. Other symptoms include fever, fatigue, loss of appetite, and body aches.