Skin Infections

Shingles Diagnosis: Tests, Criteria, & Process for Accurate Identification

Shingles, also known as herpes zoster, is a viral infection caused by the reactivation of the varicella-zoster virus (VZV), the same virus responsible for chickenpox . It commonly affects older adults and individuals with weakened immune systems, presenting as a painful, blistering rash typically confined to a single dermatome . Accurate and timely diagnosis is crucial for initiating antiviral treatment early, which can reduce symptom severity and prevent complications such as postherpetic neuralgia .