Shingles (Herpes Zoster)
Shingles is a viral infection that causes a painful, blistering rash, usually appearing as a single stripe on one side of the body. It is caused by the same virus that causes chickenpox, which stays dormant in nerve tissues and can reactivate years later.
Overview
Shingles is a viral infection that causes a painful, blistering rash, usually appearing as a single stripe on one side of the body. It is caused by the same virus that causes chickenpox, which stays dormant in nerve tissues and can reactivate years later.
Symptoms
Click any symptom to analyzeNo symptoms mapped yet.
Causes
- •Reactivation of the varicella-zoster virus
- •History of chickenpox infection
Risk factors
- •Being over the age of 50
- •High levels of psychological stress
- •Weakened immune system from illness or medication
- •Previous history of chickenpox
How it progresses
3 stages- OnsetSymptoms appear, often triggered by a known cause.Often missed
- Active phaseSymptoms peak; self-care or short treatment usually helps.
- ResolutionSymptoms ease over days to weeks with proper care.
How it's diagnosed
- •Physical examination of the rash
- •Review of medical history
- •Viral swab of blister fluid (rarely necessary)
Treatment options
General educational information only — no dosage advice. Always follow guidance from a qualified clinician.
- •Antiviral medications (e.g., acyclovir)
- •Prescription or over-the-counter pain relievers
- •Topical numbing agents
- •Corticosteroids for inflammation
- •Keeping the rash clean and dry
- •Wearing loose-fitting clothing
- •Applying cool compresses to the skin
- •Using calamine lotion for itching
Complications
- •Reduced quality of life
- •Worsening symptoms over time
- •Recurrence of shingles (herpes zoster)
Prevention
- •Maintain a healthy lifestyle
- •See a clinician for routine check-ups
When to seek help
- •Symptoms persist beyond a few days
- •Symptoms interfere with daily activities
- •New or worsening symptoms appear
- •Concerning changes related to shingles (herpes zoster)
- Rash appearing near the eyes or nose
- Severe, unmanageable pain
- Symptoms in someone with a severely weakened immune system
- Widespread rash covering multiple body areas
In any emergency, call your local emergency number or go to the nearest emergency department.
Real-world questions
- ›Can Shingles (Herpes Zoster) cause headaches?
- ›Is Shingles (Herpes Zoster) reversible?
- ›How quickly does Shingles (Herpes Zoster) progress?
- ›Is Shingles (Herpes Zoster) hereditary?
- ›Can Shingles (Herpes Zoster) be prevented?
Compare conditions
Explore related symptoms
Frequently asked questions
Possible causes of Shingles (Herpes Zoster) include Reactivation of the varicella-zoster virus, History of chickenpox infection.
Shingles (Herpes Zoster) is generally moderate, but severity can vary. Seek care if symptoms are severe or persistent.
Duration varies between individuals. Many cases improve with appropriate care, while others may persist longer and require ongoing management.
Some milder cases may improve with rest and self-care. If symptoms persist or worsen, consult a healthcare professional.
Consider seeing a clinician if symptoms are severe, persistent, worsening, or if you have any concerns related to general.
Sources
Information based on general medical references such as:
Last reviewed: May 2026