I keep finding bruises on my body in particular on my legs and I can't work out or remember how I got them. They fade and then are replaced with new ones. They are not as a result of any physical injury as almost all the time no pain precedes the.ir appearance. They just turn. The exception was today as I just got a horrible bruise on my middle finger. I felt pain in the morning on that finger but I didn't do anything to cause it. Any ideas about what could be causing this. Sorry for typos and bad grammar.