I am suffering from numbness in the soles of both feet since last four years. cannot walk even 50 /100 mtrs have to sit down somewhere for atleast ten minutes and than walk again. Also cannot lift my left left properly whilst climbing stairs. Cramps in muscles/calves of legs viz.at night. medication Glycomet GP1,keeps sugar unbder control. Further I am also an acute patient of Mystenia Gravis and am contantly on MYsten/Distinon 60 mg 2td and Omnacortil 10mg 1td. Tried homeopathic and auryedic also ,but no relief. can anybody help me. I am 71 yrs.of age. This is also leading to depression at times.