3 doctors weighed in:

Can a positive Lyme disease western blot strip test be mistaken for another disease?

3 doctors weighed in
Dr. Randy Baker
Holistic Medicine
2 doctors agree

In brief: Yes!

No lab test is perfect, including the westen blot for lyme.
There is an approximately 4% chance of a positive being a "false positive" test. There is also an approximately 20% chance of false negatives, someone with lyme not having a positive western blot. This is why lyme is ultimately a clinical diagnosis, with labs used to support a diagnosis. Other tests may also be useful. Please see comment:.

In brief: Yes!

No lab test is perfect, including the westen blot for lyme.
There is an approximately 4% chance of a positive being a "false positive" test. There is also an approximately 20% chance of false negatives, someone with lyme not having a positive western blot. This is why lyme is ultimately a clinical diagnosis, with labs used to support a diagnosis. Other tests may also be useful. Please see comment:.
Dr. Randy Baker
Dr. Randy Baker
Thank
1 comment
Dr. Randy Baker
Other tests may include PCR, CD 57 and cultures. For more info see http://www.ilads.org/lyme_disease/about_lyme.html http://www.canlyme.com/wb.html & http://www.sciencecafenh.org/Igenex%20Western%20blot.pdf & http://lymedisease.org/news/lyme_disease_views/culturetest.html
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