Chickenpox is an acute, contagious, exanthematous disease caused by varicella-zoster virus infection. Before the rash appears, symptoms such as fever, discomfort, and loss of appetite may occur. The fever typically lasts about one day before the rash emerges. The rash initially appears on the head, face, and trunk with a centripetal distribution. The rash can present as macules, papules, vesicles, and crusts all appearing simultaneously. Rashes can also appear on the mucous membranes of the mouth and the genital area. The treatment for chickenpox involves symptomatic and supportive care, and antiviral medications may be used appropriately to protect the skin and prevent scratching.