I am a 63-year-old woman. I have seen a neurologist for progressive numbness in my toes. It started in my right big toe about 15 months ago. Last November, I noticed some numbness in the middle toes on that foot and a little numbness in a few toes on the left foot. The neurologist found some deficits on the nerve conduction study but normal small fiber biopsies. Blood work showed normal iron and ferritin but he wanted my iron to be higher so he started me on oral iron. My B12 level was normal (I already supplement) but my pantothenic acid level was slightly low so I qas directed to supplement that. My ANA was positive at 1:80 but he said that was not a concern. All other tests were normal normal except B1 which was high, so I reduced my supplements. I have been stable for the past 2.5 months but yesterday I noticed numbness around the ball of my right foot. I am due to have repeat blood work in August and see the neurologist in September. His office was closed yesterday and is to reopen in 2 days. I am concerned and am looking for answers. Could this be MS?