Herpes Zoster (Shingles)

Herpes zoster (shingles) is a painful rash caused by reactivation of the varicella-zoster virus, the same virus responsible for chickenpox. Prompt medical treatment can shorten the illness, reduce symptoms and lower the risk of complications such as persistent nerve pain.
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Herpes zoster, commonly called shingles, is a painful rash caused by reactivation of the varicella-zoster virus. This is the same virus that causes chickenpox.

After chickenpox resolves, the virus remains inactive in nerve tissue and may reactivate years later. Early treatment can shorten the illness and reduce complications.

What does shingles feel like?

Pain, burning, tingling, itching or unusual sensitivity may begin before the rash becomes visible.

Some patients also experience:

  • Headache
  • Fatigue
  • Fever
  • Chills
  • Sensitivity to light
  • General discomfort

The pain can range from mild irritation to severe burning or stabbing.

What does the shingles rash look like?

Shingles usually causes grouped fluid-filled blisters in a band on one side of the body or face. The rash follows the path of an affected nerve and generally does not cross the middle of the body.

Common locations include the:

  • Chest
  • Back
  • Abdomen
  • Face
  • Scalp
  • Neck

The blisters gradually crust and heal, usually over several weeks.

Some patients experience nerve pain after the skin clears. This is called postherpetic neuralgia.

Is shingles contagious?

A person with shingles cannot directly give another person shingles. However, fluid from the blisters can spread the varicella-zoster virus to someone who has never had chickenpox or received chickenpox vaccination. That person could develop chickenpox.

Until the lesions have crusted:

  • Keep the rash covered
  • Avoid touching or scratching it
  • Wash your hands frequently
  • Avoid close contact with susceptible pregnant people, newborns and people with weakened immune systems

When does shingles require urgent care?

Seek prompt medical attention when the rash:

  • Is on the forehead, nose or around an eye
  • Causes eye pain or vision changes
  • Affects an ear or causes facial weakness
  • Is widespread
  • Occurs in someone with a weakened immune system
  • Causes severe pain, confusion or weakness

Shingles around the eye can threaten vision and requires urgent treatment.

How is shingles treated?

Treatment may include:

  • An oral antiviral medication
  • Medication for pain
  • Cool compresses
  • Calamine lotion
  • Care for secondary bacterial infection
  • Treatment for persistent nerve pain

Antiviral medication is most effective when started promptly, so contact a healthcare provider as soon as shingles is suspected.

Vaccination can substantially reduce the likelihood of shingles and its complications. Ask your healthcare provider whether shingles vaccination is recommended for you.

Schedule a shingles evaluation

A painful, blistering rash should be evaluated promptly. The Dermatology Clinic can confirm the diagnosis, prescribe treatment and identify symptoms that require additional urgent medical or eye care. Contact us today to get scheduled.

Herpes Zoster (Shingles)
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