Common GI Disorders: Are You at Risk?
- Dietitian Shar, MS, RD
- 3 days ago
- 3 min read

Gastrointestinal (GI) disorders include a variety of conditions affecting the digestive tract, leading to diverse symptoms that can greatly affect an individual's quality of life. Understanding these disorders is essential for accurate diagnosis and effective treatment. Below, we examine several common gastrointestinal disorders, their symptoms, and treatment options.
IBS (Irritable Bowel Syndrome)
Irritable Bowel Syndrome (IBS) is a functional GI disorder marked by a combination of symptoms like abdominal pain, bloating, gas, and changes in bowel habits, which can include diarrhea, constipation, or both. The precise cause of IBS is not well understood, but factors such as diet, stress, and gut microbiota are believed to play significant roles. Treatment often involves dietary adjustments, such as following a low FODMAP diet, stress management, and medications like antispasmodics or laxatives to manage symptoms.
SIBO (Small Intestinal Bacterial Overgrowth)
Small Intestinal Bacterial Overgrowth (SIBO) happens when there is an excessive growth of bacteria in the small intestine, causing symptoms like bloating, diarrhea, abdominal pain, and nutrient malabsorption. Various factors, including anatomical abnormalities, certain medications, and motility disorders, can cause this condition. Diagnosis is usually made via breath tests or small intestine aspirate and culture. Treatment often includes antibiotics to reduce bacterial overgrowth and dietary changes to support gut health.
Gastritis
Gastritis is the inflammation of the stomach lining, which can be acute or chronic. Common symptoms include abdominal discomfort, nausea, vomiting, and a feeling of fullness after eating. Causes of gastritis include excessive alcohol consumption, prolonged use of nonsteroidal anti-inflammatory drugs (NSAIDs), and infections, particularly by Helicobacter pylori. Treatment typically involves antacids, proton pump inhibitors, and lifestyle changes to relieve symptoms and promote healing of the stomach lining.
Crohn’s Disease
Crohn’s disease is a form of inflammatory bowel disease (IBD) that can affect any part of the GI tract, though it commonly involves the ileum and colon. Symptoms often include severe abdominal pain, diarrhea, weight loss, and fatigue. The exact cause of Crohn's disease is unclear, but it likely involves genetic, environmental, and immune factors. Treatment options may include anti-inflammatory medications, immunosuppressants, and sometimes surgery to remove affected intestinal areas.
Celiac Disease
Celiac disease is an autoimmune disorder triggered by consuming gluten, a protein in wheat, barley, and rye. Ingesting gluten causes damage to the small intestine in affected individuals, leading to symptoms like diarrhea, bloating, abdominal pain, and malnutrition. Diagnosis is typically confirmed through blood tests and intestinal biopsies. The primary treatment is a strict, lifelong gluten-free diet, which helps heal the intestine and alleviate symptoms.
Ulcerative Colitis
Ulcerative colitis is another type of inflammatory bowel disease affecting the colon and rectum. It is characterized by inflammation and ulceration of the colonic mucosa, leading to symptoms such as rectal bleeding, diarrhea, abdominal cramps, and urgency to defecate. The exact cause is unknown, but genetic and environmental factors are believed to be involved. Treatment may include anti-inflammatory medications, immunosuppressants, and biologics, with surgery as an option for severe cases.
Diverticulitis and Diverticulosis
Diverticulosis is a condition involving the formation of small pouches (diverticula) in the colon walls, often linked to a low-fiber diet. While diverticulosis may not cause symptoms, it can lead to diverticulitis, which is the inflammation or infection of these pouches. Symptoms of diverticulitis include abdominal pain, fever, and changes in bowel habits. Treatment may involve antibiotics, dietary modifications, and in some cases, surgery to remove the affected colon portion if complications occur.
H. pylori (Helicobacter pylori)
Helicobacter pylori, or H. pylori, is a gram-negative bacterium linked to various gastrointestinal disorders. It thrives in the stomach's acidic environment and affects about half of the global population, though many remain asymptomatic. Transmission likely occurs through oral-oral or fecal-oral routes, with risk factors including poor sanitation, crowded living conditions, and family history. Symptoms range from abdominal pain and bloating to severe complications like peptic ulcers and increased gastric cancer risk. Diagnosis involves breath, stool tests, or endoscopy with biopsy. Treatment typically combines antibiotics and proton pump inhibitors over 10 to 14 days. Preventive measures emphasize good hygiene, clean water, and proper sanitation.
Summary
Gastrointestinal disorders include a range of conditions, each with distinct symptoms and treatments. If you experience symptoms, consult your healthcare provider or gastroenterologist for further evaluation. Detecting and managing these disorders early is essential for improving patient outcomes and promoting digestive health.
References
American Gastroenterological Association. (2021). "Gastroesophageal Reflux Disease." Retrieved from [https://www.gastro.org](https://www.gastro.org)
National Institute of Diabetes and Digestive and Kidney Diseases. (2022). "Irritable Bowel Syndrome." Retrieved from [https://www.niddk.nih.gov](https://www.niddk.nih.gov)
Crohn's & Colitis Foundation. (2023). "Inflammatory Bowel Disease." Retrieved from [https://www.crohnscolitisfoundation.org](https://www.crohnscolitisfoundation.org)
Celiac Disease Foundation. (2023). "Celiac Disease." Retrieved from [https://celiac.org](https://celiac.org)
Mayo Clinic. (2023). "Peptic Ulcer." Retrieved from [https://www.mayoclinic.org](https://www.mayoclinic.org)




