Within a few days, more lesions may erupt. In 3 to 4 weeks, the lesions are replaced by small red blotches, which may continue for several weeks. Lyme disease may spread to other body systems, causing disseminated Lyme disease. These symptoms tend to come and go over a number of weeks if the person is not treated. Weeks to years later, frank, or unmistakable, arthritis can occur, with marked swelling of the joints.
Recurrent attacks can lead to chronic arthritis, with severe joint damage.
Lyme disease is caused by Borrelia burgdorferi. People can prevent Lyme disease by avoiding tick bites. Here are several tips to help avoid tick bites. Some individuals should consider getting immunized with a new vaccine that appears to be effective in preventing Lyme disease. The vaccine is given to individuals aged 15 to 70 years in three separate injections.