I had severe charley horses up and down my left leg and butt! 24-7 for 3 days in a row. I thought I was severely dehydrated so I took all the steps for that. The symptoms didn t get better and I started really feeling it in my lower back. I went to the chiropractor and had an x ray and it turned out that my L5 disc was compressed. My leg cramps continued for 5 days but now are much better along with my back. BUT, about 4 days into the non stop cramping, I started to get horrible blisters on my left leg that almost look like they are filled with blood because they are so dark. A friend told me it was because my nerve endings were constantly firing. Is this true?