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 ...
With ischemic colitis, there is a very specific, localized area of inflammation, usually in the splenic flexure of the large intestine (a bend in the colon near the spleen). The inflammation is caused by low blood flow to the intestine. Ischemic colitis most often occurs in older people with hardening of the arteries feeding the intestine and usually is treated simply with inpatient hydration and antibiotics. Ulcerative colitis, on the other hand, involves more widespread inflammation as well as small sores (ulcers). It occurs in younger people, will involve the rectum and other parts of the large intestine and is not believed to be caused by low blood flow.