The patient feels a tingling sensation or pain in the skin area (preferably the trunk) and 4 or 5 days later, a reddening of the skin in that area on that spring vesicles are arranged in groups. During this phase the lesions are highly infectious because the virus is inside the vesicles. After 7 to 10 days the lesions dried, forming a yellowish-brown crusts are removed, sometimes leaving a residual scar.
The territories that are most often affected are the trunk, thigh or the eye region. The latter has a greater gravity to be a risk of corneal ulcers leading to ceguera.En occasions, after the episode of herpes zoster residual pain may persist in that location that lasts for days, months and even years, called neuralgia Postherpetic. This happens most often in individuals whose age exceeds 50 years.
