Symptoms of a serious allergic reaction include: rash, itching /swelling (especially of the face/tongue/throat), severe dizziness, trouble breathing .This is not a complete list of possible side effects.
Whatever the cause, diminished blood flow within your digestive tract leaves cells without enough oxygen, which causes the cells to ... Colon ischemia (ischemic colitis). ... This is the most common cause of acute mesenteric artery ischemia and can be brought on by congestive heart ...
Signs and symptoms of ischemic colitis can include: Pain, tenderness or cramping in your belly, which can occur suddenly or gradually. Bright red or maroon-colored blood in your stool or, at times, passage of blood alone without stool. A feeling of urgency to move your bowels. Diarrhea.