Posted 2/3/2012 6:32 PM (GMT -5)
There are actually quite a few things that will bring on a herx - too hot of a bath or shower, massage, acupuncture, stress, a lot more activity in one day than usual, among other things.
As Zuesy said, drinking plenty of water is always something we should be doing - it helps to flush the lymph system and keep the bowels with enough fluid to be sure they can do their thing, besides keeping us hydrated.