Quin said...
I've seen the same thing on my blood tests. Testosterone, estradiol, cortisol, vitamin D all go way up when herxing. My guess is that borrelia somehow accumulates these steroids and these are released when the bacteria die.
i wonder if these hormones could be being released by tissue degradation during herx - from inflammation
similar to when people with hashimotos thyroiditis have episodes of high thyroid hormones from the immune system attacking the thyroid gland tissues and releasing surges of thyroid hormones