I had a deer-tick bite a while back, though the two tests for tick-borne illness came back negative. Coincidentally my back pain (which I'd had already) became

I had a deer-tick bite a while back, though the two tests for tick-borne illness came back negative. Coincidentally my back pain (which I'd had already) became more acute. I don't know if it was causative, and it seems more likely that it was stress and other factors, but I keep this story around just in case.