Postherpetic neuralgia (post-hur-PET-ik noo-RAL-juh) is the most common complication of shingles. The condition affects nerve fibers and skin, causing burning pain that lasts long after the rash and blisters of shingles disappear.

What is PHN in the body?

Postherpetic neuralgia (also termed PHN) is a condition of recurring or persistent pain in an area of the body that has undergone an outbreak of herpes zoster virus (HZ), also known as the varicella zoster virus, commonly termed shingles.

How bad is PHN?

The pain from PHN can be so severe and debilitating that it interferes with daily life. About 10 to 18% of people who get shingles will experience PHN. Your risk of PHN increases with age.