You don't have to be in "Lyme country" to get Lyme's disease. It's all over the country (although much more prevalent in the northeast) and in Europe now too. In fact, I just saw a case of Lyme's in northwestern Nevada.

I agree with your doctor. Testing is more of a retrospective thing than a help in diagnosis.

If there is ANY chance that you were exposed it's much better to take the 3 weeks of doxy than to take the chance of ending up with the sequellae of long term Lyme's disease.