B02.9: Zoster without complication
Shingles is caused by certain pathogens. These pathogens are viruses. These viruses also cause chickenpox. Once someone has been infected by the chickenpox viruses, the viruses remain hidden in the body for a long time. Sometimes the viruses may break out again after several years and cause shingles. Then, with shingles, small red blisters and pustules form on a particular part of the skin. The blisters and pustules usually stay in one half of the body and form a belt pattern. The part of the skin that is affected can be very sore. You can also get a high temperature and headaches and feel very sick.
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