Thanks for writing in.
I am a medical specialist with an additional degree in cardiology. I read your mail with diligence. I would be concerned with healing of this blister
so prevent any super infection. Carefully, follow the instructions about its care. Clean the skin around the blister, whatever local application has been advised should be applied with clean washed hands preferably wearing gloves. No non sterile garment or object should come in its contact and no pressure over the its site ought to be avoided. I hope she is not a diabetic but due to associated conditions should receive an equivalent care of local wound.
With Best Wishes.
Dr Anil Grover,
Medical Specialist & Cardiologist
M.B.;B.S, M.D. (Internal Medicine) D.M.(Cardiology)