Shingles is actually what is commonly referred to as shingles. If the shingles occurs on the lower back, some people may call it a snakebite, which is just a common term. This disease is caused by a viral infection, mainly the varicella-zoster virus. When the virus infects the body it may lurk in the nerve roots and may cause the disease to develop when the body’s immune system is weakened or when it is overworked, such as staying up late or being stressed. This may lead to a certain inflammation of the nerve where the virus is latent, and a certain rash along the nerve distribution of the skin, eventually forming blisters or papules on the basis of inflammation, and in a band-like distribution, and once it occurs, it needs to be actively treated with antiviral therapy.