Is there a classification of pain after herpes zoster?

The pain degree is usually graded by NRS numerical grading method, that is, subjective grading method, with a total of 10 points. Most of the pain after herpes zoster neuralgia is 7-10 points, which belongs to neuropathological pain, especially when it involves the trigeminal nerve. The pain degree is related to the invaded nerve site and personal constitution. According to whether the pain affects sleep, it can also be divided into mild, moderate and severe pain. The specific criteria are as follows: 1. Mild pain: basically does not affect sleep; 2. Moderate pain: Pain intermittent attacks, affecting sleep;3. Severe pain: sleep quality is seriously affected, serious even sleepless nights. Herpes zoster sequela pain belongs to moderate to severe pain, affecting the patient's sleep.