Pseudomembranous Colitis

Pseudomembranous colitis is inflammation (swelling, irritation) of the large intestine. In many cases, it occurs after taking antibiotics. The use of antibiotics can cause the bacteria to overgrow and infect the lining of the intestine, leading to inflammation. Certain antibiotics, such as penicillin, clindamycin, cephalosporins, and fluoroquinolones, make the overgrowth of Clostridium difficile more likely.…

Ischemic Colitis – Intestinal Ischemic Syndrome

Intestinal ischemic syndrome occurs when blood flow to the intestine or gastrointestinal system decreases due to the blockage of blood vessels.   The three main abdominal blood vessels that can become obstructed include the abdominal aorta, the superior mesenteric artery, and the inferior mesenteric artery. Usually, two or three of these arteries need to narrow…

Intestinal Worms – Pinworms – Intestinal Parasitism

Pinworms, also known as nematodes, are tiny white or light gray worms that cause intestinal parasitism. They are commonly found in children and can be treated with over-the-counter antiparasitic medications.   What is a Pinworm? Pinworms are intestinal nematodes, parasitic worms that live in the intestines and rectum of infected individuals. The worms are small…

Angiodysplasia – Angiodysplasias of the Digestive System

Angiodysplasia is the most common vascular anomaly of the digestive system, responsible for about 6% of lower gastrointestinal bleeding cases and up to 8% of upper gastrointestinal bleeding. It is caused by the formation of arteriovenous malformations between previously healthy blood vessels, most commonly in the cecum and ascending colon. Its prevalence is 1-2% and…