Hand-foot syndrome, or Palmar Plantar Erythrodysesthesia (PPE) can be a side effect of chemotherapy, as I found out. It is not a nerve thing - it is a skin toxicity associated with some chemo chemical...
I get blisters on my toe tips. My oncologist said she had never heard of it. I place a drop of essential lavender oil on each toe. Blisters stay away but I still get a minor irritation which is okay.