For close to a year now I've noticed sporadic clusters of tiny red pinprick dots here and there on my inner ankles and shins, maybe 1/4 inch or less in size (the whole cluster, not the dots). There aren't many of them - maybe 2 to 3 per leg at a time - and you have to look closely to see them, but they don't blanch when pressed and I'm freaking out that these are petechiae and I have a terrible blood disease. They feel very, very faintly raised (I think...or maybe I'm just convincing myself).
I wondered if it could be razor burn but can't think why that would happen only in tiny patches. Or maybe I am scraping my legs in my sleep with my feet, which are very rough and callused? Has anyone ever had anything like this?