4. Cool showers and baths will help relieve the symptoms of postherpetic neuralgia.
Taking cool showers or baths will help keep blisters and sores clean. There is no need to scrub the skin. The skin is already irritated enough. The cool shower or bath will prevent you from scratching the affected area. When you scratch, it will cause scarring.
The water doesn’t have to be freezing cold because you don’t want to increase your skin’s sensitivity. A little warm water can be mixed in, but you should feel the cool water a little more. When you dry yourself off, don’t scrub your skin. Just pat your skin with the towel.
Also, since you are taking cool baths or showers, it is probably a good idea to take them at least twice a day. You will really need to take one after working out because you are sweaty and your skin will be irritated and itchy.