You may also get shingles if you have had chickenpox. Chickenpox is a primary infection caused by varicella-zoster virus, resistance to the environment outside the body is relatively weak, the virus can enter the body through the respiratory tract or oral mucosa, and will spread the keratin of the epidermis, thus forming cells and mucosal epithelial cells, chickenpox is generally cured, you can get lasting immunity, rarely recur. Herpes zoster by varicella zoster virus caused by acute infectious skin diseases, when the immune function appears to decline, the latent virus will be activated, resulting in the invasion of ganglia inflammation, herpes zoster in the recovery, the majority of people will not recur, a small number of patients may appear recurrence, have had chickenpox may also have herpes zoster. If you are not feeling well, it is recommended to go to the hospital in time, under the diagnosis of the doctor, according to the patient’s condition, targeted treatment.