Nerve pain after facial herpes may clear up in about a week to half a month, or it may take months or years to clear up. After the occurrence of facial herpes, most patients will have the symptoms of nerve pain, but usually after active formal treatment, most will disappear with the disease control and improve, and facial herpes in most cases will be better in a week to half a month or so, so postherpetic neuralgia after facial herpes, it may be a week to half a month or so to get well. After facial herpes occurs, postherpetic neuralgia may develop if the patient is older, has a weaker resistance, is not treated promptly, or has more severe symptoms. With postherpetic neuralgia, most of the pain gradually improves over time and usually goes away within a few weeks to months, while a few patients have pain that lasts for more than a year, and in some cases, for life. Once facial herpes is detected, it is recommended that patients go to the hospital in time for treatment. Early and regular treatment can effectively reduce the symptoms of herpes as well as its duration, and can also prevent complications of herpes.