Postherpetic neuralgia is a painful condition that affects your nerves and skin. It’s a complication of herpes zoster, commonly called shingles.
Shingles is a painful, blistering skin rash caused by a reactivation of the varicella-zoster virus.
People usually contract this virus in childhood or adolescence as chickenpox. The virus can remain dormant in the body’s nerve cells after childhood and reactivate decades later.
When the pain caused by shingles doesn’t go away after the rash and blisters clear up, the condition is called postherpetic neuralgia.
Postherpetic neuralgia is the most common shingles complication. It occurs when a shingles outbreak damages the nerves.
The damaged nerves can’t send messages from the skin to the brain, and the messages become confused. This results in chronic, severe pain that can last for months.
According to a 2017 review, about 20 percent of people who get shingles also develop postherpetic neuralgia. Additionally, this condition is more likely to occur in people over the age of 50.
Shingles typically causes a painful, blistering rash. Postherpetic neuralgia is a complication that only occurs in people who have already had shingles.
Common signs and symptoms of postherpetic neuralgia include:
- severe pain that continues for more than 1 to 3 months in the same place that the shingles occurred, even after the rash goes away
- burning sensation on the skin, even from the slightest pressure
- sensitivity to touch or temperature changes
Age is a major risk factor for getting both shingles and postherpetic neuralgia. Risk begins to increase at age 50 and rises exponentially the older you get.
People who have acute pain and severe rash during shingles also have a higher risk for developing postherpetic neuralgia.
People with lowered immunity due to conditions like HIV or Hodgkin’s lymphoma have an increased risk for developing shingles. The risk of shingles is 20 to 100 greater in this group.
Most of the time, your doctor is able to make a diagnosis of postherpetic neuralgia based on how long you’ve experienced pain following shingles. Tests are unnecessary in confirming a diagnosis.
Treatment for postherpetic neuralgia aims to manage and reduce the pain until the condition goes away.
Two doses of a herpes zoster vaccine called Shingrix reduce the risk of shingles by more than 90 percentTrusted Source. The vaccine also protects against postherpetic neuralgia.
The Centers for Disease Control and Prevention (CDC)Trusted Source recommends healthy people ages 50 and up get the Shingrix vaccine.
Postherpetic neuralgia is treatable and preventable. Most cases disappear in 1 to 2 months. In rare cases, it can last longer than a year.
If you’re older than 50, it’s wise to get vaccinated against shingles and postherpetic neuralgia.
If you do develop postherpetic neuralgia, you have many treatment options to manage the pain. Talk with your doctor to find the best treatment for you.
Article Provided By: healthline
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