Lack of erythema migrans (EM) rash does not necessarily mean the body is free of Borrelia.
Myths surrounding the necessity of a rash to definitively diagnose Lyme disease are often the cause of misdiagnosis.
Research has shown that only 9% of rashes, if present, display the bull’s eye presentation.
Rashes are not always at the bite site and may be non-existent.
If you develop a rash that lasts more than a few days – Lyme disease should be considered as the cause.
(Poll by Lyme Disease Assocaiton of Alberta (LDAA); 2016)
Current research shows that only a small subset of the strains/species of bacteria that cause Lyme disease will cause a rash of any kind. Click Here.
Of those rashes that do take on the rash form, only 9% will take a bull's eye type form. Click Here.
See bottom of page for rash pictures in Alberta Lyme patients...