By Rahim Mangalji, M.D., Buffalo Medical Group Primary Care

April is Irritable Bowel Syndrome Awareness Month, offering an important chance to educate patients about one of the most common gastrointestinal disorders seen in primary care. IBS affects about 10–15% of adults and can greatly impact their daily lives, yet many people remain undiagnosed or unsure when to seek help. As primary care providers, we play a key role in recognizing symptoms early, ruling out more serious conditions, and guiding patients toward effective, personalized treatment.

Recognizing the Signs and Symptoms.

A chronic disorder of gut–brain interaction, IBS is characterized by recurrent abdominal discomfort associated with changes in bowel habits. Typical symptoms include abdominal pain or cramping, often relieved by a bowel movement; bloating or abdominal distension; changes in stool frequency or form, including constipation, diarrhea, or an alternating pattern; and urgency or the sensation of incomplete evacuation. 

Symptoms often fluctuate and may be triggered by stress, certain foods, or hormonal changes. While IBS is not dangerous, its symptoms can be disruptive and emotionally distressing, making early evaluation essential.

Understanding the Gut-Brain Connection.

 IBS is a disorder that affects gut-brain interaction (how the gut and brain constantly communicate). In people with IBS, this communication doesn’t work as smoothly as it should. The brain may interpret normal gut sensations as painful or send signals that either speed up or slow down digestion at inappropriate times. This is why stress, anxiety, or strong emotions can trigger IBS symptoms and why relaxation techniques, therapy, and stress management can help improve gut symptoms. Recognizing this connection helps patients understand that IBS is a genuine medical condition with a physical basis and that treating both the mind and body together often provides the best results.

How IBS Is Diagnosed.

 There is no single test for IBS. Diagnosis is mainly clinical, based on symptom patterns that match the Rome IV criteria, and the standard for diagnosing Disorders of Gut-Brain Interaction. A primary care evaluation usually includes a thorough history and physical exam; limited laboratory tests to rule out anemia, celiac disease, or inflammation; and an assessment for “red flags,” such as unintentional weight loss, gastrointestinal bleeding, fever, age 50+ with new symptoms, or a family history of colon cancer or inflammatory bowel disease. Red flags and unusual symptoms may require an endoscopy or additional imaging. 

Treatment Options.

 Diet and medications for IBS management are personalized, and many patients see improvement through lifestyle and dietary changes. Evidence-based strategies include dietary adjustments such as following a low-FODMAP diet to reduce fermentable carbs (the dietary approach with the strongest evidence), increasing soluble fiber to help relieve constipation in those with constipation-predominant IBS, and identifying personal trigger foods. Stress management methods such as mindfulness, cognitive-behavioral therapy, and exercise can improve gut-brain communication. Medications may include antispasmodics for abdominal pain, laxatives or secretagogues for constipation, anti-diarrheal agents, and low-dose antidepressants to reduce visceral sensitivity. 

Buffalo Medical Group Primary Care is now welcoming new patients at all locations. Call 716-656-4471 to book an appointment.