You would have heard the term Inflammatory Bowel Disease (IBD) used whenever someone refers to severe, long-term gut issues. Since the name implies the condition, it is natural to think so. However, IBD isn’t just one single disease; it is an umbrella term that covers different chronic gut conditions, the two most common ones being Crohn’s disease and Ulcerative Colitis.
Till recently, Crohn’s disease was considered by doctors a disease of the West, after observing the significant numbers in nations like the US and Western Europe. But the scenario has changed vastly. India now has an estimated 1.5 million people living with IBD—making it second to the United States in this category. Medical research shows that these numbers are rising quite fast; doctors attribute it majorly to rapid urbanization, westernization of the core Indian lifestyle, and changes in modern dietary habits.
But why does the body behave negatively to altered diets and lifestyles, and what are its unintended consequences? Let us look more closely into the causes that trigger Crohn’s disease, and the complications that can arise when the gut is constantly under attack.
What is the major cause of Crohn’s disease?
There is no single major cause of Crohn’s disease. It is a multifactorial disease, which can result from genetic and environmental conditions. However, whatever maybe the root cause, it manifests as inflammation of the gut—more specifically inflammation of the last part of the small intestine, and the beginning of the long intestine. And this is the major feature of Crohn’s disease.
Here is a very brief explanation of how the inflammation happens. Inflammation is your body’s immune system at work, helping your body heal against the many insults it faces everyday—internally and externally. For example, when you get a papercut, your immune system fights off bacteria in the cut, causing temporary redness and swelling. This is healthy inflammation.
But the immune system behaves differently in Crohn’s disease; it treats your own digestive tract like a foreign threat, and attacks it accordingly. This constant immune response is what causes chronic inflammation in the lining of your gut.
That being said, here are many factors which lead to this inflammation:
- Modern diet: The strongest reason as to why Crohn’s cases are exploding in countries like India lies in how the current diet has changed to adopt many western influences. The transition from traditional, high-fiber foods to a more westernized lifestyle plays a major role in resulting in inflammation.
- Increased use of ultra-processed foods: Urban diets are rich in refined sugars, trans-fats, chemical preservatives, and emulsifiers. These substances directly damage the inner gut lining. Traditional diets rich in vegetables, grains, and pulses provide fiber that feeds beneficial gut bacteria. Without it, the protective mucus layer in the intestines weakens, making it incredibly easy for inflammation to happen.
- Disrupted gut microbiome: The digestive tract has trillions of bacteria (needed for digestion and nutrient absorption) that co-exist with your immune system. These bacteria feed on fiber from veggies and fruits. Increased reliance on antibiotics, and processed foods can reduce the variety of good bacteria. The remaining harmful microbes increase, and activating the immune system against your gut wall harbouring the harmful bacteria.
- Environmental triggers: Our daily environment also has a direct link to our immune health. Smoking is the most dangerous risk factor in this category. Smoking doubles the risk of developing Crohn’s disease, creating severe inflammation. Also, medication overuse, especially with common medicines like OTC non-steroid pain relievers like ibuprofen can irritate the gut, triggering immune responses.
- Genetics: Having a first-degree relative with an inflammatory bowel disease increases your risk of developing Crohn’s disease increases significantly. Over 200 specific gene variations have been identified in population studies, that can alter how the certain gut linings react to certain bacteria, making these individuals naturally more prone to an overactive immune response.
What are the five symptoms of Crohn’s disease?
Crohn’s disease, although well known to mostly affect the end of the small intestine, and the beginning of the long-intestine, is also seen in certain cases to affect any part of the digestive tract, from mouth to colon. Hence, symptoms are not the same for everyone as it can also affect other parts of the gastrointestinal system. Thus, one person might suffer from severe stomach pain, while another struggles with intense fatigue and weight loss.
Like other types of IBD, symptoms of Crohn’s also can happen in cycles. There may be weeks or months of feeling perfectly fine (called remission), with a sudden return of symptoms (known as a flare-up).
Here are the most common signs that you may be having Crohn’s disease:
Chronic diarrhoea: This is usually the most frequent symptom of Crohn’s disease. Since the intestinal lining is swollen and inflamed, it does not absorb water properly, leading to loose, and urgent bowel movements.
Severe abdominal pain and cramping: Side effects of inflammation cause the gut muscles to spasm, and tighten. This pain is felt as deep, painful cramping in the lower right side of the stomach (region where the small intestine ends and the long intestine begin).
Unexplained weight loss: An inflamed gut cannot absorb nutrients from the food properly. This, combined with a natural loss of appetite often results in sudden weight loss.
Extreme fatigue: Some may also feel an overwhelming, heavy exhaustion which cannot be fixed even by many good nights of sleep.
Blood in the stool: Ongoing inflammation can create ulcers along the gut which can bleed, causing you to notice bright red or very dark blood in the toilet bowl or on toilet paper.
Can Crohn’s disease be managed without immunosuppressants?
It is natural to think that immunosuppressants are the only answer to Crohn’s disease. That every single patient must take these medications to stop the overactive immune system from causing more damage.
But the reality is far more encouraging. The majority of Crohn’s cases—almost 40–50% of the cases are actually classified as mild-to-moderate, meaning the inflammation is limited and manageable. For these patients, the disease can be kept under control without ever worrying about immunosuppressants. By focusing on lighter, targeted anti-inflammatory treatments, identifying personal dietary triggers, and maintaining healthy lifestyle choices, many individuals achieve deep, lasting remission.
Severe cases usually require stronger therapies like immunosuppressants. If you are diagnosed with advanced Crohn’s, it is important to remember that avoiding these medications might keep you feeling fine on the outside. But the inflammation can still damage your gut wall on the inside, leading to permanent scarring that would require surgery. In advanced cases, immunosuppressants cause more benefit than harm, as they are designed to protect your gut structure so you can stay in deep, long-term remission.
Can You Live a Long Life with Crohn’s Disease?
In short, yes! There are many people with Crohn’s disease with different levels of severity who are living completely fulfilling lives with the proper steps taken. While you may feel anxious after a diagnosis, always remember—Crohn’s disease is not a fatal illness, and it does not shorten life expectancy. Living with Crohn’s disease simply means learning how to manage it.
Here are some proven, science-backed, and effective strategies to help you live with Crohn’s:
- Be Proactive: Do not wait for a flare-up to start taking care of your gut. Take your maintenance medications consistently, even when you feel 100% healthy. This helps to prevent flare ups.
- Cut out smoking: If you smoke, quitting is one of the most impactful things you can do to manage Crohn’s flare ups. Smoking doubles your risk of severe flare-ups and is also reported to increase the likelihood of needing surgery.
- Build a Custom safe-diet with a certified nutritionist: Work with a nutritionist to identify your trigger foods to focus on a clean, and nutrient-dense diet.
- Prioritize Sleep and Stress Control: High stress and lack of sleep signals the immune system to go into overdrive. Incorporating stress-management habits like meditation, light walking, or breathing exercises on a daily basis helps your gut.
- Do not miss your regular check-ups: Keep up appointments with your gastroenterologist, even during times of long remission. Routine checks helps the doctor to catch and treat minor inflammation before it turns into painful complications.
A diagnosis of Crohn’s disease can make you feel anxious at first, but remember that it is very manageable with a few mindful changes to your lifestyle. There are more number of people getting diagnose with Crohn’s disease, but the understanding of how to manage it is even better than what it was just a few years back. Whether your remedial steps involve lifestyle and dietary adjustments or utilizing modern, targeted medical therapies, the ultimate goal is to achieve long remission periods so your gut can heal.
By staying proactive, and talking with a trusted gastroenterologist, you can successfully keep the internal inflammation at a standstill. All the gastroenterologist specialists at Smiles Gastroenterology Centre, Bengaluru, pride themselves on being at the forefront of medical knowledge and advancements. By consulting with them, they make sure with effective remedies, you can live a happy and fulfilling life.
