How Gastrointestinal Physicians Diagnose and Treat Irritable Bowel Syndrome (IBS)

by | Sep 16, 2025 | Healthcare

Irritable Bowel Syndrome (IBS) is a common digestive disorder that affects millions of people worldwide. It is characterized by a combination of symptoms such as abdominal pain, bloating, diarrhea, and constipation. While IBS is not a life-threatening condition, it can significantly impact a person’s quality of life. Understanding how gastrointestinal physicians diagnose and treat IBS is essential for those who suffer from this disorder.

What is Irritable Bowel Syndrome (IBS)?

Irritable Bowel Syndrome is a functional gastrointestinal disorder, meaning that the digestive system appears normal during tests, but it does not function properly. IBS affects the large intestine and can lead to symptoms like:

  • Abdominal pain or cramping
  • Bloating
  • Diarrhea or constipation, or alternating between both
  • Mucus in the stool
  • A feeling of incomplete bowel movements

The exact cause of IBS is unknown, but several factors may contribute to its development, including:

  • Abnormalities in the way the muscles in the colon contract
  • Increased sensitivity to certain foods or stress
  • Imbalances in gut bacteria

How Gastrointestinal Physicians Diagnose IBS

Diagnosing IBS can be challenging because its symptoms often overlap with other gastrointestinal disorders. A gastrointestinal physician will typically begin the diagnostic process by taking a detailed medical history and conducting a physical examination. The goal is to rule out other conditions that may have similar symptoms, such as inflammatory bowel disease (IBD) or celiac disease.

1. Medical History and Symptom Review

The doctor will ask about the severity and duration of your symptoms, including:

  • The frequency of abdominal pain
  • The consistency of your stool (diarrhea, constipation, or both)
  • Any triggers that seem to worsen your symptoms (certain foods, stress, etc.)

2. Physical Examination

During a physical examination, your gastrointestinal physician will check for signs of discomfort or abnormal findings in the abdominal area. This helps to rule out other potential causes of your symptoms.

3. Diagnostic Tests

In most cases, IBS is diagnosed based on your symptoms and the exclusion of other conditions. However, some tests may be performed to rule out other digestive disorders:

  • Blood tests: To check for signs of infections, anemia, or inflammation.
  • Stool tests: To check for infections or parasites.
  • Colonoscopy: If necessary, a colonoscopy may be recommended to view the inside of the colon and rule out other conditions such as IBD or colorectal cancer.

Treatment Options for IBS

There is no single cure for IBS, but there are several treatment options that can help manage the symptoms. A gastrointestinal clinic near me will work with you to find the most effective approach for managing IBS based on the severity and type of symptoms you experience.

1. Dietary Changes

Diet plays a significant role in managing IBS. Your digestive health doctor may recommend making dietary adjustments to help alleviate symptoms. Some common dietary strategies include:

  • Low FODMAP diet: This involves avoiding foods that are high in fermentable carbohydrates, which can exacerbate IBS symptoms.
  • Fiber: If you have constipation-predominant IBS, increasing your fiber intake may help. Conversely, if you have diarrhea-predominant IBS, reducing fiber intake may be beneficial.
  • Avoiding trigger foods: Common triggers include dairy, caffeine, alcohol, and fatty foods.

2. Medications

Several medications can help manage IBS symptoms, depending on whether you experience diarrhea, constipation, or both. Your gastrointestinal physician may prescribe:

  • Antispasmodics: These medications help reduce muscle spasms in the intestines and relieve abdominal pain.
  • Laxatives: For those with constipation-predominant IBS, laxatives may be used to help relieve constipation.
  • Anti-diarrheal medications: Medications like loperamide can help control diarrhea.
  • Antidepressants: Low doses of certain antidepressants may help alleviate symptoms by reducing pain and improving bowel function.

3. Stress Management

Stress is a significant trigger for many people with IBS. A gastroenterologist near me may suggest various methods for stress management, including:

  • Cognitive Behavioral Therapy (CBT): A form of therapy that helps individuals manage stress and improve coping mechanisms.
  • Relaxation techniques: Practices such as deep breathing, yoga, and meditation can help reduce stress and improve overall well-being.

4. Probiotics

Probiotics are beneficial bacteria that can help restore balance to the gut microbiome. Your digestive health doctor may recommend probiotics to improve gut health and reduce symptoms, particularly bloating and gas.

How to Manage IBS Long-Term

While there is no cure for IBS, effective management can allow you to live a normal, active life. Regular visits to a gastrointestinal clinic near me for follow-ups and adjustments to your treatment plan are crucial. A gastrointestinal physician will continue to monitor your symptoms and make necessary changes to your treatment regimen.

Lifestyle changes such as maintaining a healthy diet, managing stress, and staying physically active can significantly reduce the frequency and severity of IBS symptoms. Additionally, understanding your triggers and making conscious efforts to avoid them can improve your quality of life.

Take Control of Your Digestive Health Today

If you’re struggling with IBS or any other digestive issues, it’s time to seek professional help. The Center for Colorectal Disease of Arizona is a trusted Colorectal disease center in Arizona, offering specialized care for digestive conditions like IBS. Contact them today to schedule a consultation with a knowledgeable gastrointestinal physician who can help you manage your symptoms and improve your digestive health.

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