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Dr. Puneeth B S - Gastroenterologist in Malleshwaram - Manipal Hospitals

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Consultant - Medical Gastroenterology

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Dr. Puneeth B S - Gastroenterologist in Malleshwaram - Manipal Hospitals
Reviewed by

Dr. Puneeth B S

Consultant - Medical Gastroenterology

Manipal Hospitals, Malleshwaram

Understanding Irritable Bowel Syndrome (IBS): Causes, Symptoms, and Treatment

Reviewed by:

Dr. Puneeth B S

Posted On: Aug 22, 2025
blogs read 6 Min Read
Understanding Irritable Bowel Syndrome (IBS): Causes, Symptoms, and Treatment

Your gut health is one of those body systems you don't ever really pay attention to, until something isn't right. From eating your favorite foods to feeling good during the day, a healthy gut is at the center of good overall health. But when your digestive system begins acting up on a regular basis, it can get you in trouble fast, from your mood to your daily functioning. Irritable Bowel Syndrome (IBS) is one such disorder. It's actually quite prevalent, but also highly misunderstood. Most people quietly suffer in silence, thinking it's "just the food" or "just stress", when actually it could be something that requires due attention. The catch? IBS symptoms tend to mimic other digestive diseases, making awareness and a proper diagnosis everything.

Here, you will discover what IBS actually is, the differences between it and other gut problems, the usual signs to look out for, potential causes, and above all, how to tackle it so it no longer runs your life.

 

What is Irritable Bowel Syndrome?

In simple terms, Irritable Bowel Syndrome (IBS) is a functional gastrointestinal disorder. That is to say, your gut may appear absolutely normal under a microscope, yet it isn't working the way that it should.

Unlike other inflammatory bowel diseases (IBD) such as Crohn's disease or ulcerative colitis, IBS does not cause visible damage to your intestines. Rather, it's more of a matter of how your gut functions, how your brain, nerves, and digestive muscles are coordinated.

There are 3 main types of IBS:

IBS-C (Constipation-predominant)

You primarily have constipation, sometimes accompanied by abdominal pain

IBS-D (Diarrhoea-predominant)

Diarrhoea is your primary symptom, which is often sudden and urgent

IBS-M (Mixed)

You switch back and forth between constipation and diarrhea, sometimes at random

IBS might not be life-threatening, but it can definitely interfere with your life. Visualize scheduling your day around access to the restroom, avoiding social gatherings, or constantly wondering how your stomach will react; it can wear you down on a quality-of-life level.

Common Symptoms of IBS

If you're asking yourself how to tell if you have IBS, it begins with the recognition of patterns in your symptoms. Though different for everyone, there are certain tell-tale signs:

  • Abdominal cramping and pain: Frequently relieved following a bowel movement.

  • Bloating and gas: Feeling of fullness that tightens clothes.

  • Variation in bowel movements: Constipation, diarrhoea, or alternating between the two.

  • Mucus in the stool: Not necessarily scary, but it is frequent in IBS.

  • Fatigue and disrupted sleep: Compromised gut health affects your energy and sleep.

understanding-irritable-bowel-syndrome-ibs-causes-symptoms-and-treatment

These symptoms may erupt after specific meals, during times of stress, or even with hormonal fluctuations (especially in women).

Causes and Triggers

Not one cause of IBS exists. Rather, it is generally a combination of factors that affect each other in delicate ways.

Some potential culprits are:

  • Gut-brain axis dysfunction: The nerves that regulate your gut could be hypersensitive.

  • Stress and anxiety: Emotional health can affect your gut function directly.

  • Food intolerances: Lactose, gluten, and other fermentable carbohydrates known as FODMAPs are common offenders.

  • Hormonal changes: Symptom variation often occurs in women around the menstrual cycle.

  • Post-infectious IBS: IBS may follow a bad stomach infection or food poisoning.

By knowing your triggers for IBS, you can begin making small but effective changes in your life.

Diagnosis of IBS

There isn't one test that reads, "Yes, you have IBS". Diagnosis is made on a mix of symptoms, medical history, and elimination of other conditions.

Doctors often use the Rome IV criteria, which look at how frequently you’ve had symptoms like abdominal pain over the past few months. Tests like blood work, stool analysis, or even a colonoscopy may be suggested to exclude other issues like celiac disease, IBD, or colon cancer. If you’ve had ongoing digestive discomfort for more than a few weeks, don’t wait; an IBS diagnosis is the first step to feeling better.

Treatment and Management Options

Managing IBS is highly personal; what works for one person may not work for another. That’s why working with a gastroenterologist is key. Here are some common strategies:

  • Lifestyle and dietary changes

    • Experiment with a low FODMAP diet, which restricts specific carbs that result in gas and bloating.

    • Find out and steer clear of your trigger foods.

    • Add fibre if constipation is your primary complaint, but do so slowly.

  • Stress management: Mindfulness, yoga, or cognitive behavioural therapy (CBT) can reduce flare-ups caused by stress.

  • Medications: Depending on the symptoms, you may need antispasmodics, laxatives, antidiarrheals, or low-dose antidepressants (for pain due to nerves).

  • Probiotics: Some probiotic strains can aid gut health, and symptoms decrease over time.

The key is personalisation; your IBS treatment plan should be tailored to your type, triggers, and lifestyle.

Living with IBS: Tips and Coping Strategies

IBS can be erratic, but being proactive helps:

  • Track a symptom and food diary to identify patterns

  • Stay hydrated

  • Follow regular physical activity to support digestion

  • Establish a supportive healthcare team you trust

  • Join IBS support groups to exchange tips and share experiences

Conclusion

IBS is frustrating, but it's not insurmountable. With proper diagnosis, knowledge of what you can live with, and an individualized plan for management, you can take control of your digestive health and life.
If you’ve been dealing with ongoing stomach issues, don’t settle for discomfort or guesswork. Book your appointment today with our gastroenterology expert at Manipal Hospital Malleshwaram and take the first step towards better gut health.

FAQ's

IBS doesn’t cause permanent damage to your gut or increase your risk of cancer. But it can still have a big impact on your daily life if it’s not managed well. The good news is, with the right care, symptoms can be controlled.
 

Stress alone will not cause IBS, but it can make symptoms far worse or set off a flare. That's why stress management, through relaxation, exercise, or a hobby, is as crucial as eating a special diet.
 

IBS impacts the way your gut functions, but doesn't lead to outward damage. IBD, such as Crohn's disease or ulcerative colitis, indeed leads to inflammation and alterations in your intestines. They can have some similar symptoms, but they're quite distinct illnesses that require different treatments.
 

There isn't any one "IBS diet" that suits everyone. Some individuals improve on a low FODMAP diet or by excluding foods that exacerbate symptoms. The problem is determining your individual triggers with the guidance of a physician or registered dietitian.

If you've been experiencing persistent stomach discomfort, bloating, or altered bowel habits for a few months, it's worth seeing a doctor. They can eliminate other conditions and tell you whether it is IBS, so you can receive appropriate treatment.
 

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