The study didn't look at antibiotics, though, only a specific Parkinson's drug. Moreover, there's evidence of the drug being more effective when taken in combination with antibiotics: "Maini Rekdal...
A long-term infection with a negative IgG result? RA and IgM false positives: "Rheumatic diseases can also lead to false-positive Lyme tests, especially for IgM antibodies" From here:...
The Lyme diagnosis is for a 72 year old female who was diagnosed with Rheumatoid Arthritis within the last year and was diagnosed with Fibromyalgia approximately 15 years ago. Within the last six...