Blood blisters are different in that they are formed from a minor trauma to the skin which causes a blood vessel to rupture under the skin, usually from a pinch of some sort. If you are concerned about a spot or group of spots, see your general doctor, and if necessary a dermatologist...
Byanon1992— On Jun 22, 2007 I also have been getting blood blisters monthly - usually right before my monthly. I was beginning to think it was my deodorant because they were under my arms but this month it appeared on my upper leg. I would love to know why they come and how they ...
Blood blisters are different in that they are formed from a minor trauma to the skin which causes a blood vessel to rupture under the skin, usually from a pinch of some sort. If you are concerned about a spot or group of spots, see your general doctor, and if necessary a dermatologist...