Often when I stand up from sitting or lying down I feel as though I am going to faint. I steady myself and in about 20-30 seconds I begin to feel... View answer

Hi there: I seem to be having several problems that may be related. I can be fine while sitting down, but when I stand up and start to walk I get... View answer

Hi there, I often get a feeling of light headedness especially when I get up, but even sometimes .... A little while ago I also felt spinning when lying... View answer

stand up too fast either from a sitting down position or a lying down one. I have a fitbit which can ... View answer

When I stand up after being in a sitting position for 5 minutes or more, I briefly feel discomfort ... View answer

Hi. Usually, I get a little lightheaded when I stand up too fast, I just hold onto a wall for a ... View answer

then it will randomly come back. Especially when i am laying or sitting down for a while and when i stand up i feel like i... View answer

Hi, I have a question about my heart. Whenever I sit in bleachers or a chair for a while, and then I make a sudden movement to stand... View answer

& blindness while standing. I usually have to lay down in front of ac or fan blowing on me, until I break out with whole body cold sweat. After the cold sweat I slowly... View answer

I have lower back pain that is most painful when I stand up after sitting for a while, but diminishes when i am standing or walking... View answer