After the chicken pox on the head does not grow hair, consider the chicken pox infection damage to the hair follicle due to scarring alopecia. Chickenpox is caused by varicella zoster virus infection will appear feverish symptoms, in addition there will be skin lesions, mainly there will be some blisters, if the chickenpox is relatively large, combined with the infection, easy to form scar tissue, there will be scarring alopecia, mainly long chickenpox, the epithelium of the hair follicle is replaced by connective tissue, the formation of permanent hair loss. Children do not grow hair after chickenpox on the head should have to go to the hospital in time, by the doctor to clarify the cause, standardize the treatment, reduce the adverse effects of the disease.