Neuralgia, postherpetic

Read about post-herpetic neuralgia, which is persistent nerve at the site of a previous episode of shingles.

Post-herpetic neuralgia is lasting nerve pain in an area previously affected by shingles.

It's estimated that up to one in five people with shingles will get post-herpetic neuralgia. Older people are particularly at risk.

Many people with post-herpetic neuralgia make a full recovery within a year. But symptoms occasionally last for several years or may be permanent.

Symptoms of post-herpetic neuralgia

The main symptom of post-herpetic neuralgia is intermittent or continuous nerve pain in an area previously affected by shingles.

The pain has been described as burning, stabbing, shooting, aching, throbbing or like electric shocks.

The affected area may also:

  • feel intensely itchy
  • be more sensitive to pain than usual
  • feel painful as a result of something that wouldn't normally hurt, such as a light touch or cool breeze

When to see your GP

See your GP if you have ongoing pain after having shingles. They can advise you about treatment options, including medicines you can only get on prescription.

Treatments for post-herpetic neuralgia

Medication can ease the symptoms of post-herpetic neuralgia, although it may not relieve the pain completely.

Widely available painkillers, such as paracetamol and ibuprofen, don't usually help, so your doctor may prescribe a different type of painkiller.

Some medicines used to treat depression also work for nerve pain and are sometimes used for post-herpetic neuralgia.

Read more about treating post-herpetic neuralgia.

Causes of post-herpetic neuralgia

The varicella zoster virus causes both chickenpox and shingles.

In post-herpetic neuralgia, the virus causes inflammation of the nerves under the skin of the affected area. Neuralgia is a medical term for pain resulting from nerve inflammation or damage.

It's not clear why some people with shingles develop post-herpetic neuralgia, but increasing age, pain during the early stage of shingles and severe pain throughout an episode of shingles are all associated with an increased risk of the condition.

Preventing post-herpetic neuralgia

There's no definite way to prevent post-herpetic neuralgia. But if shingles is treated early with antiviral medication, the risk of complications such as post-herpetic neuralgia is reduced.

If you develop symptoms such as pain or a rash that suggests shingles, see your GP as soon as possible to discuss taking an antiviral medication.

Having the shingles vaccination will help you avoid getting the infection in the first place. If you've had shingles before, the vaccine will also reduce your risk of getting it again. It's available on the NHS to some people in their 70s.

Read more about who can have the shingles vaccine.

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