Introduction
Ulcerative colitis (UC) is a chronic inflammatory bowel disease (IBD) that causes long-lasting inflammation and ulcers in the innermost lining of the colon and rectum. The disease is characterized by periods of remission and relapse, and it can significantly impair quality of life. Unlike Crohn’s disease, which can affect any part of the gastrointestinal tract, Ulcerative Colitis is confined to the colon.
The condition most often affects adults aged 15 to 40 years but can occur at any age, with a peak incidence between 15 and 25 years, though a smaller peak occurs between 50 and 70 years. Both sexes are affected equally. Prevalence increasing worldwide, especially in developing countries due to westernization of lifestyle.
Types
Ulcerative colitis is classified based on the extent of colon involvement:
- Ulcerative Proctitis: Limited to the rectum. Milder form; often the initial presentation.
- Proctosigmoiditis: Affects the rectum and sigmoid colon. Symptoms include bloody diarrhea, cramps, and urgency.
- Left-sided Colitis: Extends from the rectum up to the splenic flexure. More severe symptoms with weight loss and abdominal pain.
- Pancolitis: Involves the entire colon. Often results in severe symptoms and complications.
- Fulminant Colitis: A rare, life-threatening form requiring immediate hospitalization.
Causes
The exact cause of UC remains unknown, but several factors are implicated:
- Immune System Dysfunction: Abnormal immune responses to intestinal flora.
- Genetics: Familial clustering suggests a genetic predisposition.
- Environmental Triggers: Diet, stress, pollution, and antibiotics may exacerbate inflammation.
- Microbiome Changes: Disruption in gut bacteria can trigger inflammation.
Risk Factors
- Age: Most common before age 30.
- Family History: First-degree relatives increase risk.
- Ethnicity: Higher in people of Ashkenazi Jewish descent.
- Geography: More prevalent in developed, urban areas.
- NSAID use: May worsen or trigger flares.
Signs and Symptoms
Common symptoms vary by severity and extent of disease but typically include:
- Diarrhea, often bloody.
- Abdominal cramping and pain.
- Urgency and tenesmus (feeling of incomplete evacuation).
- Fatigue and weight loss in moderate to severe cases.
- Extraintestinal manifestations:
- Joint pain (arthritis).
- Eye inflammation (uveitis).
- Skin rashes (erythema nodosum).
- Liver disorders (primary sclerosing cholangitis).
Complications
UC can lead to several serious complications such as:
- Toxic megacolon: Severe dilation of the colon, potentially life-threatening.
- Increased risk of colon cancer especially with long-standing extensive colitis.
- Extraintestinal manifestations involving the eyes, joints, skin, and liver
- Severe bleeding, perforation, and malnutrition.
Prevention
While UC cannot currently be prevented, flare-ups and complications can be minimized through:
- Medication adherence: Consistent use of prescribed anti-inflammatory drugs.
- Diet management: Avoiding trigger foods.
- Regular monitoring: Colonoscopies to assess inflammation and detect precancerous changes.
- Stress reduction: Yoga, meditation, and counseling.
Home Remedies
- Dietary Adjustments:
- Eat low-fiber, bland foods during flares.
- Avoid caffeine, alcohol, spicy, and fatty foods.
- Stay hydrated.
- Probiotics: May help maintain remission (though evidence is mixed).
- Stress Management: Mindfulness may reduce flare-ups.
- Exercise: Gentle activities (walking, swimming) improve overall health.
When to Seek Medical Attention
Prompt medical attention is needed if symptoms of UC occur, particularly if the individual has no prior diagnosis. Urgent care is warranted for severe symptoms or flare-ups, including:
- Frequent bloody diarrhea (more than 6 times a day).
- High fever, rapid heartbeat (tachycardia).
- Severe abdominal pain or distention.
- Vomiting blood or persistent bleeding from the rectum.
- Signs of dehydration or malnutrition.
Bibliography
[1] https://www.niddk.nih.gov/health-information/digestive-diseases/ulcerative-colitis
[2] https://www.mayoclinic.org/diseases-conditions/ulcerative-colitis
[3] https://my.clevelandclinic.org/health/diseases/10351-ulcerative-colitis
[4] https://www.hopkinsmedicine.org/health/conditions-and-diseases/ulcerative-colitis
[5] https://www.crohnscolitisfoundation.org/what-is-ulcerative-colitis
[6] https://jpbs.in/archive/volume/12/issue/2/article/2116
[7] https://pmc.ncbi.nlm.nih.gov/articles/PMC6487890/
[8] https://www.ncbi.nlm.nih.gov/books/NBK459282/