Herpes zoster (Shingles)

Herpes zoster also known as shingles is a painful skin rash caused by the varicella zoster virus (VZV) that also causes chicken pox.

After recovering from chicken pox or after receiving chicken pox vaccine, the virus stays inactive in the body and can reactivate later in life causing shingles.

Commonly, the risk of getting shingles increases with age or if one have a weakened immune system such as living with HIV/AIDS, cancer or on treatment such as long term steroids, radiation or chemotherapy.


Signs & Symptoms:

Shingles is a painful rash that classically develops on one side of the face or body. It may appear as a band of blisters along the path of the nerve where the virus had been inactive. Rarely, the rash may be more widespread and looks similar to a chicken pox rash which usually presents in people who have a weakened immune system.

Usually before the rash develops, one may experience pain, burning, itching or tingling in the area where the rash will appear.

After that a rash may appear which usually appears along a band accompanied by fluid-filled blisters that typically scab over within 10 days and clears up within 2- 4 weeks.

Other associated symptoms include fever, headaches, chills, upset stomach or abdominal pain.


So why is it important to diagnose shingles early?

Although shingles is not a life-threatening condition, prompt treatment can ease pain, shorten the duration on the infection and reduces the risk of complications.

Treatment would include oral antiviral medications, topical ointments, anti-inflammatory drugs and pain relievers.


Complications associated with shingles:

Post herpetic neuralgia

– this is when shingles pain continues even after the blisters have cleared.


Temporary or permanent vision loss

– this is when shingles affect the nerves of the eyes causing painful eye infections.


Neurological problems

– depending on which nerves are affected, shingles can cause inflammation of the brain, loss of facial movement, hearing or balance issues.


Secondary bacterial skin infection

– due to inadequately treated blisters.


Can I reduce the risk of getting shingles?

Yes, you can by getting vaccinated. Zostavax is currently the only shingles vaccine available.

Although the vaccine does not guarantee that you will not get shingles, it can reduce the severity of the disease and reduces your chances of complications such as post herpetic neuralgia.


If you would like to find out more about the shingles vaccine, please speak to your doctor or visit our clinics for further information.


Need more advice?

Come down to Our Clinics for a discussion with Our Doctors, or call our clinics for more information:

1.) Robertson Walk  (+65 6238 7810)

2.) Bencoolen Street (+65 6884 4119)

3.) Novena Medical Centre (+65 6397 2095)

4.) Scotts Medical Centre (+65 6694 2348)

5.) Somerset – Orchard Building (+65 6262 0762)

6.) Katong – East Coast Road (+65 6635 2551)

Where to find us – here

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Selected clinics are open on Saturday and Sunday.

Doctor’s Schedule here

Email: doctor@drtanandpartners.com

Feel free to email your queries, feedback and suggestions on what other topics you want to see in the comments section below.


  1. Shingles

    Thanks for the response Doctor. Just a follow up question – does a person with HIV have a higher probability that there will be scarring post-breakout? I’ve recovered from my bout of Shingles (for about 5 to 6 weeks now) but there are still residual scars which have not faded from the SHingles.

    • I do not think scarring has anything to do with HIV. Shingles typically cause long term scarring which may take a long time to fade out.

  2. shingles

    Hi, I’m a young person early 30s and I had a bout of Shingles some time back. Does this mean that it is possible that I have HIV? I understand that SHingles is not very common among young people.


    • Shingles typically affect people above 50 years of age, but they can affect young people too especially if they have been exposed to the virus. It does not mean you have HIV. If you are concerned, see a doctor and get yourself tested.

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