I was wondering if anyone else had had this problem . After 10 years of wearing Mediven stockings with no problems I now have rows of blisters when I remove my stockings where the grip tops have been against my leg. I have tried changing the washing liquid but this makes no difference . I am wondering if they have changed something in the stocking construction which I'm allergic to. I will let my therapist know at my next appointment but wanted to see if others had ever had a similar problem.