Shingles or herpes zoster, a condition that is characterized by painful, blistering skin rash that can last 2 to 4 weeks. In some cases, the pain can even last for years after the rash goes away. This condition is called postherpetic neuralgia (PHN). It is the most common complication of shingles. The risk of shingles and PHN increases with age. Shingles usually cause pain which is described as excruciating, burning, stabbing, aching, and shock-like. The pain, sometimes compared with pain of labour, can cause depression, difficulty concentrating, anxiety, loss of appetite, and weight loss. The condition can interfere with a person’s ability to perform normal activities such as dressing, eating, cooking, bathing, shopping, and travelling. Shingles can lead to several serious complications, out of which eye complications can result in vision loss. Watch this video to learn more about shingles.