@jaymew, like the other member suggested, I would've thought this to be exercise-induced vasculitus, otherwise called Disney rash or golfer's vasculitus. It's a kind of blood vessel inflammation called vasculitis that affects the lower parts of the legs after you perform strenuous exercise or activity for a long time, especially in warm weather. It is more commonly seen in women aged over 50. Read more...
- Disney Rash: What It Is, How to Treat It, and More https://www.webmd.com/skin-problems-and-treatments/what-is-disney-rash
As you said, typically this rash clears up in a couple of weeks or so.
Mayo Clinic has a specialty Vasculitis Clinic in Minnesota if you'd like to get a second opinion. https://www.mayoclinic.org/departments-centers/vasculitis-clinic/overview/ovc-20459423
Do you live in a year-round warm climate and are physically active? Have you tried any of the treatment and prevention suggestions for Disney rash like elevating your legs and wearing compression stockings? Does the rash get worse with certain triggers?
Hello! Thank you for the links! I don't live in a continually warm environment. I do get occasional exercise, usually on a stationary Nordic Trac Skier… I can’t run any longer (and it’s difficult to walk a lot) due to the neuropathy (I do not need a cane though). I have studied my ankle rash reaction to just about everything and can’t point to any triggers.
One thing though… I was in the USMC for 30 years and in boots for a lot of that time… we were required to “blouse” our boots which meant using an elastic band to hold our trouser legs closed at the top of our boots. I am starting to wonder if all the years of doing that combined with load bearing activities did permanent damage to that area? In hindsight requiring someone to do that is pretty ignorant!
Thanks again!