Shingles

Shingles, also known as herpes zoster, is a viral infection that affects the nerves and causes a painful rash. It is caused by the varicella-zoster virus, which is the same virus that causes chickenpox.

What is Shingles?

Shingles occurs when the varicella-zoster virus, which has been dormant in the body since the initial chickenpox infection, reactivates and travels down the nerve fibers to the skin. This can happen at any age, but it is most common in people over 50 years old.

Symptoms of Shingles

The symptoms of shingles typically begin with a burning or tingling sensation on one side of the body, usually on the torso or face. This is followed by:

  • A red rash that appears as a band or strip on the affected area
  • Small, fluid-filled blisters that crust over and scab after 7-10 days
  • Pain, which can range from mild to severe and may be described as burning, shooting, or stabbing
  • Sensitivity to touch or light
  • Fever and headache in some cases
  • Swollen lymph nodes

Phases of Shingles

Shingles typically goes through several phases, including:

  • Prodromal phase: This is the initial phase, which can last from a few days to a week. During this time, people may experience pain, burning, or tingling on one side of the body.
  • Rash phase: This phase begins when the rash appears and can last for 7-10 days. The blisters will crust over and scab during this time.
  • Postherpetic neuralgia (PHN) phase: This is a complication of shingles that occurs when the pain persists after the rash has healed. PHN can last for months or even years in some cases.

Treatments for Shingles

Treatment for shingles typically involves a combination of medications and self-care measures to manage symptoms and prevent complications. These may include:

  • Antiviral medications: Such as acyclovir, valacyclovir, or famciclovir, which can help reduce the severity and duration of the rash and pain.
  • Pain relievers: Over-the-counter pain medications such as acetaminophen or ibuprofen can help manage pain and discomfort.
  • Corticosteroids: These may be prescribed to reduce inflammation and swelling.
  • Topical creams and ointments: Such as capsaicin cream or lidocaine patches, which can help relieve pain and itching.
  • Rest and relaxation: Getting plenty of rest and avoiding stress can help the body recover from the infection.
  • Cool compresses: Applying cool, wet compresses to the affected area can help reduce pain and discomfort.

Prevention of Shingles

There are several ways to prevent shingles or reduce the risk of complications:

  • Vaccination: The Centers for Disease Control and Prevention (CDC) recommends that adults 50 years and older receive the shingles vaccine, which can help prevent shingles or reduce its severity.
  • Practicing good hygiene: Avoiding contact with people who have shingles or chickenpox can help prevent the spread of the virus.
  • Avoiding stress: High levels of stress can weaken the immune system and increase the risk of developing shingles.

Article last updated on: 11th April 2025.
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