01/02/2026
Lyme disease can affect many parts of the body including the nervous and immune systems.
In some people, Lyme infections can cause inflammation, which impacts the nerves and blood flow in the head and face. This creates sinus-like symptoms, even though there isn’t an actual sinus infection.
Lyme disease mimics sinus infection symptoms so closely that some patients are treated for sinusitis before the underlying cause is recognized. When Lyme disease mimics sinus infection patterns, patients may present with months or even years of facial pressure, headaches behind the eyes, ear fullnes...