Symptoms: Weight Loss, Dehydriated, Nerve Pain In Legs, Feet, Arms,

symptoms: weight loss, dehydriated, nerve pain in legs, feet, arms, fingers, very bad edema from toes to abdoman, stomach pain, can't eat very much at a time, (full stomach causes pain) have diarrhea have low blood albumen. Had Pet scan, Bone Marrow biopsy, NO diagnosis. Am very weak...use walker and wheelchair, balance very bad. Have red to deep red blotches appear on body, comes and goes.....these started in July this year and continue. Have light pinkish firm odd shaped places form on body, neck and around ears...appear and leave...like thick skin spots. Some memory affected. Drs now think it may be some kind of autoimmune problem. Death may happen before an answer is found. Do you have any idea of what this may be? am asking for my husband