In the case of hematochezia, the blood may coat the stool, be mixed in with the stool, or even be passed by itself without any stool at all. Potential causes of black colored stools include: 1  acidified blood (blood from higher in the digestive tract)  iron supplements or foods high in iron.
Sign in to receive recommendations (Learn more) DCIS generally has no signs or symptoms. A small number of people may have a lump in the breast or some discharge coming out of the nipple. According to the National Cancer Institute, about 80% of DCIS cases are found by mammography. Last modified on February 18, 2016 at 11:21 AM.
Symptoms. Guillain-Barre syndrome often begins with tingling and weakness starting in your feet and legs and spreading to your upper body and arms. In about 10 percent of people with the disorder, symptoms begin in the arms or face. As Guillain-Barre syndrome progresses, muscle weakness can evolve into paralysis. Signs and symptoms of ...igns and symptoms of Guillain-Barre syndrome may include: 1  Prickling, pins and needles sensations in your fingers, toes, ankles or wrists. 2  Weakness in your legs that spreads to your upper body.