I'm in a stressful job that I'm leaving now. On Sunday, I felt really dizzy, nauseous, lightheaded, etc. Dh took me to the ER after work, and my bp was 105/73. It's always 120/80. They did a pg test (neg), tested my hemoglobin level (12.8), and blood sugar (83). They basically said they don't know why it's that low. I didn't skip any meals, but didn't eat that much, and I wasn't dehydrated (2L of water at 2pm). I've heard of stress causing high bp, but can it also cause low bp? This is starting to worry me.