The last three times I have had my blood drawn, I began to feel light-headed, broke out into a
sweatSweat electrolytes test
Sweat test
Sweating
Sweating - absent and my blood
pressurePressure ulcer dropped. After 10 minutes of laying down, I was OK.
This never happened after a blood draw until about 1 1/2 yrs ago.
Any ideas on what could be causing it?