Hi Michelle
I also have a diagnosis of MGUS. Mind came about because I was getting a strange cold feeling in one leg. Dr ran loads of tests but nothing showed. When I mentioned my dad had MM, they tested me and picked up the MGUS.
That was a few years ago. Now my leg feels cold less often but sometimes I get a tingling/burning feeling there.
When I got tingling in my hands/scalp I was diagnosed with B12 deficiency. I now have B12 injections every 3 months. I
Will be interested to hear what other people say and I hope yours is resolved