The most common early sign of Lyme disease is an expanding skin rash called "erythema migrans." It begins as a reddened area near the tick bite. As the rash increases in size, it often clears in the middle and develops a red ring around the outside, so that it has a “bull's eye...
Different types of viral infections can cause raised bumps on the skin, which can also be called viral rashes. Typically, healthcare providers can determine which type of infection a person has by the location, size, pattern, and appearance of the rash. For example,shinglesare a viral infectio...