Twenty-three patients (10%) met criteria for confirmed late Lyme disease, with the majority presenting with objective oligoarthritis, primarily of the knee, rather than neurologic abnormalities.

Lyme disease can also cause an immune system reaction ... Here’s the tricky thing about knee arthritis: Some don’t have symptoms, while others are consistently sidelined from discomfort.

Lyme disease is a master of disguise. Sometimes, it mimics other conditions, including rheumatoid arthritis. Both problems can bring on joint pain, tiredness, and fevers. But don't be deceived.

If you have not seen an expert, I recommend a rheumatologist who will perform a careful exam, lots of blood tests and some ...