Random bruises on around legs and arms. I would have a couple show up in the same spot every time on my inner upper arm, never hurt, just showed up. Note; I had a baby 14 months ago and gained about 100 lbs. lost the baby weight 6 months ago and now it wont quit plummeting to where I am at 106lbs! I have never been this small. I look sick. . Its horrible.lately iv been getting them everywhere. Recently about 4 showed up on my arms, mainly forearms, and one in particular is quarter sized rediish orsngewith a white spot in the middle. now i hear some people say spiderbite which, others say a cyst but with the combined unexplained bruising and this could it be something more? Without being a exaggerative and am defentley what are some of the possible reasons? Currently out of insurance LOL so i am hear