3) Exposure to toxic chemicals which damage the autonomic nervous system can cause POTS. This group includes adverse reactions to prescription drugs. Some Gulf War veterans have developed POTS like symptoms after being exposed to small amounts of nerve gas, insecticides, and inadequately tested experimental drugs.
anyone else recall levonorgestrel being listed as a toxic chemical by CA. I may be talking to my doc about this...as my heart is racing and I am short of breath just standing up, at the onset of my period.....