Because the disease causes a decrease in stomach acid, nausea, vomiting, loss of appetite, weight loss, diarrhea, and constipation are possible. Also, because Vitamin B12 is essential for the nervous system function, the deficiency of it brought on by the disease can result in a host of neurological problems, including weakness, lack of coordination, blurred vision, loss of fine motor skills, loss of the sense of taste, ringing in the ears, and loss of bladder control. Characterized by excessive dryness of the mouth and eyes. Generally begins with lower back pain that progresses up the spine. The pain may eventually become crippling.
Symptoms depend upon the group of veins affected and can range greatly.
Type I diabetes mellitus. To further understand autoimmune disorders, it is helpful to understand the workings of the immune system. To function properly, the immune system must not only develop this specialized knowledge of individual invaders, but it must also learn how to recognize and not destroy cells that belong to the body itself. When functioning properly, cells of the immune system will not attack any other cell with markers identifying it as belonging to the body. As a result, the same destructive operation is carried out on the body's own cells that would normally be carried out on bacteria, viruses, and other such harmful entities.