Shingles rash

Overview

Shingles is a painful rash caused by the same virus that causes chickenpox. After you have chickenpox, the virus stays in your body and can become active again years later, causing shingles.

Shingles is fairly common, especially in people over 50. About 1 in 3 people will get shingles at some point in their life.

Anyone who has had chickenpox can get shingles. It is more common in older adults and people with weakened immune systems.

Symptoms

Common symptoms

• Pain, burning, tingling, or itching in one area of the skin (often before the rash appears)
• A red rash that develops into fluid-filled blisters
• The rash usually appears on one side of the body, often around the waist, chest, or face
• Blisters that scab over and heal within 2 to 4 weeks
• Fever, headache, chills, or upset stomach (less common)

Symptoms in children

• Shingles in children is usually mild, with less pain than in adults
• Rash may be smaller and heal faster
• Any child with shingles should see a doctor

Symptoms in older adults

• Older adults often have more severe pain and a higher risk of long-term pain (postherpetic neuralgia)
• Rash can be larger and take longer to heal
• Complications such as eye problems or infection are more common

Causes

Main causes

• Shingles is caused by the varicella‑zoster virus (the same virus that causes chickenpox).
• After you recover from chickenpox, the virus stays inactive in your nerve cells. Years later, it can reactivate and travel along nerve pathways to your skin, causing shingles.

Risk factors

• Age over 50 (risk increases with age)
• Weakened immune system (from conditions like HIV, cancer, or treatments like chemotherapy and steroids)
• Physical or emotional stress
• Previous injury to the nerve area

When to see a doctor

See a doctor urgently if:

• If you have a rash near your eye, nose, or on the tip of your nose
• If you have severe pain that over‑the‑counter medicines do not help
• If you have a weakened immune system and develop a rash
• If the rash looks infected (redness, warmth, swelling, pus)

Book a routine appointment if:

• If you think you have shingles, see a doctor within 3 days of the rash appearing for the best treatment results
• If you are over 60 or have a chronic condition and develop a rash
• If the rash is very painful or widespread

Diagnosis

Your doctor can usually diagnose shingles by looking at your rash and asking about your symptoms. They may ask if you have had chickenpox in the past.

Tests that may be done

• In some cases, a sample from a blister may be sent to a lab to confirm the virus.

What to expect at your appointment

The doctor will examine the rash, ask about your pain and other symptoms, and check for any complications. They will then discuss treatment options with you.

Treatment

Treatment for shingles aims to reduce pain, speed up healing, and prevent complications. Antiviral medicines are most effective when started within 72 hours of the rash appearing.

Self-care at home

• Keep the rash clean and dry to prevent infection.
• Wear loose‑fitting, soft clothing to avoid irritating the blisters.
• Apply a cool, wet cloth to the rash for 10‑15 minutes several times a day.
• Ask your pharmacist about over‑the‑counter pain relievers or numbing creams (but do not apply directly to broken skin).
• Get plenty of rest and avoid stress.

Medical treatments

Doctors may prescribe antiviral medicine to fight the virus, especially if started early. Pain medicines, such as nerve pain medications or stronger pain relievers, may be recommended. For severe pain, certain creams or patches (prescription only) can help. Do not use any medicines without consulting your doctor.

When is surgery considered?

Surgery is not used for shingles.

Living with this condition

While you have shingles, rest as much as you can. Avoid contact with people who have not had chickenpox or the chickenpox vaccine, especially pregnant women and people with weak immune systems. Cover the rash to avoid spreading the virus to others.

Lifestyle tips

• Avoid scratching the blisters to prevent scarring and infection.
• Use distraction techniques like listening to music or gentle activities to take your mind off the pain.
• Tell your family and friends what you are going through so they can support you.

Diet and exercise

Eat a balanced diet to support your immune system. Gentle exercise like walking can help, but wait until the pain lessens. Avoid strenuous activity until you feel better.

Mental health and emotional wellbeing

The pain and discomfort of shingles can cause anxiety, frustration, or depression, especially if pain lasts a long time. Talk to your doctor if your mood is affected. Remember that most people recover fully.

Prevention

Yes. The shingles vaccine (recommended for adults over 50 and certain people with weakened immune systems) can reduce your risk of getting shingles and can also make shingles less severe if you do get it.

Vaccines

The shingles vaccine is given as two doses. Speak to your doctor or pharmacist to see if you are eligible. It is different from the chickenpox vaccine.

Screening programmes

There is no routine screening test for shingles.

Complications

If left untreated

• Postherpetic neuralgia (pain lasting months or years after the rash heals) – this is the most common complication.
• Eye problems, including vision loss, if the rash affects the eye area.
• Bacterial infection of the rash that can lead to scarring.
• Rarely, nerve or brain inflammation (e.g., encephalitis or meningitis).

Long-term outlook

For most people, shingles clears up within a few weeks without lasting problems. Early treatment can greatly reduce the risk of complications. Even if you develop postherpetic neuralgia, there are treatments that can help control the pain. Most people return to their normal activities after recovery.

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