During the typical course of chicken pox the condition of the child remains stable. Temperature can sometimes rise but it seldom exceeds 38°C; the skin becomes covered by the rash which can be seen in different stages of its development. Also the rush occupies mucosa surfaces. Chicken pox in children seldom comes to the end with complications much easier than in adults.
Atypical manifestations of chicken pox unite some types of various manifestations: it is bullous, hemorrhagic, gangrenous, etc.
Formation of gangrenous chicken pox is characteristic with necrosis of deep layers of epidermis. The main sign of this process – violet circles round hillocks in which not light liquid contains, but ichor. At break of such blister a scab is formed. Such form of the disease strikes nervous system. The lethality in this case is very probable.
Bullous chicken pox presents itself rash in the form of large bubbles with flabby edges filled with yellow substance. At a rupture of the bubble the hardly healing ulcers are formed. Some blisters can sometimes merge in one huge which leaves a deep wound.
Hemorrhagic chicken pox is very severe disease form for the patient; in this case instead of transparent liquid blisters contain blood. In this case disorder of blood coagulation which can be followed by bleeding of gingiva and nose is possible. In places of blisters after peeling of crusts deep scars are formed. Hemorrhagic chicken pox usually develops in the people having some pathology.