Raynaud's syndrome. I have it. I get it in my toes and fingers pretty badly when I'm cold. I can't linger in my workout clothes after a bike or run or I get white and purple fingers and toes.
I went to the doctor and actually he prescribed blood pressure medication to take when anticipating working out in cold weather. It helps so much!
Mine starts in the tips of a couple of fingers and sometimes spreads to all of them. My doctor said she could prescribe beta blockers but since it was mild, she didn't recommend it.
My dad has Reynauds, and as he has aged, I'm pretty certain it has remained in the same spots. He's lived with it for as long as I can recall, and it doesn't bother him aside from just being a nuisance.
Sounds just like Ranaud's. I have it - hate the cold in the winter and the AC in the summer! I have found that by keeping my core really warm (double layers at work, heavy winter coat, etc) that it seems to help as I haven't had it happen as much this winter. From what I read, your body thinks your core is cold and overreacts by sending more blood there than the extremities. Also, I bought some Raynaud's therapy socks and gloves. The socks are so thin, but within minutes they warm my feet up - sleeping with them is heavenly. The gloves seem to help relieve an episode as well if I get it at the house.
This post is fascinating to me. I think I may have this too.
Two of my fingers turned white and numb after a run outside today. I hung around in the cold for a while waiting fo others. Got home and saw 2 fingers were white. I warmed them up under warm water and the color returned. I seriously thought I might have had frostbite but this sounds more fitting. I'm normally cold when others aren't so it would fit.
I didn't know there was a condition that caused this. I thought it was just the cold.