Is It IBS or Something More?

What is Irritable Bowel Syndrome (IBS)?

Irritable Bowel Syndrome (IBS) is a common yet misunderstood digestive disorder that affects the large intestine. It’s classified as a functional gastrointestinal disorder, which means that while symptoms are very real, standard lab tests often show no structural damage.

Up to 10–15% of the global population experiences IBS, and symptoms can range from inconvenient to completely debilitating. But IBS isn’t just about digestion—it can impact your energy, focus, emotions, and mental health.

Recognizing the Symptoms of IBS

Common signs of IBS include:

Abdominal cramping or pain
Bloating and excessive gas
Diarrhea, constipation, or alternating between the two
A sense of incomplete bowel movements
Mucus in stool

Symptoms often fluctuate and may be triggered by stress, food sensitivities, or hormonal changes. For some, they can persist for years without clear answers.

IBS and Mental Health: The Gut-Brain Connection

One of the most overlooked—and most important—aspects of IBS is its profound impact on mental health.

The Gut-Brain Axis

Your brain and gut are intimately connected through the vagus nerve, neurotransmitters like serotonin, and a thriving ecosystem of gut bacteria called the microbiome. This connection is known as the gut-brain axis.
When your gut is in distress—due to inflammation, dysbiosis, or infection—it can directly influence your brain, contributing to changes in mood, focus, memory, and emotional resilience.

IBS May Be the Root Cause of Anxiety and Depression

Some people believe that gut issues are caused by anxiety or depression, but in many cases, it’s the other way around. A dysbiotic gut, disrupted by infection, antibiotics, concussion, or acute stress, can cause changes in the gut microbiome and trigger neuroinflammation, leading to anxiety, brain fog, irritability, and even depression.

Over 90% of serotonin—a key mood-stabilizing chemical—is made in the gut.
A damaged gut lining or inflamed microbiome can interfere with normal brain chemistry.
Chronic gut discomfort can contribute to emotional distress, fueling a vicious cycle.

This powerful relationship shows why mental health can’t be fully treated without addressing gut health first.

What Causes IBS?

There isn’t a one-size-fits-all cause for IBS, which is why conventional medicine often struggles to provide lasting relief. Some of the underlying factors include:

Gut-brain axis dysfunction
Leaky gut (intestinal permeability)
Food sensitivities, especially to FODMAPs
Small Intestinal Bacterial Overgrowth (SIBO)
Chronic stress or trauma
Post-infectious inflammation
Gut dysbiosis (microbial imbalance)

The Functional Medicine Approach to IBS

Functional Medicine looks beyond surface symptoms to uncover root causes—whether they stem from the gut, brain, hormones, immune system, or all of the above.

How Dr. Achina Stein at Functional Mind LLC Can Help

Dr. Achina Stein, a board-certified psychiatrist and Functional Medicine practitioner, takes a holistic and personalized approach to treating IBS and its emotional consequences. At Functional Mind LLC, she combines the best of conventional psychiatry and root-cause Functional Medicine to address both gut health and mental wellness.

Comprehensive Testing May Include:

Advanced stool testing for pathogens, inflammation, and microbiome health
Breath testing for SIBO
Food sensitivity panels
Micronutrient analysis
Cortisol/adrenal hormone testing
Optional neurotransmitter evaluation

Tools Used in Functional Medicine to Treat IBS:

Targeted nutrition (e.g., low FODMAP, elimination diets)
Probiotics, enzymes, and gut-healing supplements
Natural antimicrobials (if infections or overgrowths are found)
Stress-management techniques, including mind-body therapies
Psychotherapy like CBT or EMDR for trauma-related gut issues
Lifestyle adjustments to support long-term healing

This root-cause approach empowers patients to rebalance their gut, restore emotional resilience, and regain control over their lives.

How Functional Mind LLC and Dr. Achina Stein Can Help

If you’ve been living with IBS symptoms, fatigue, brain fog, or mood swings—and haven’t gotten answers—know that there is hope. Dr. Achina Stein and the team at Functional Mind LLC specialize in cases where conventional approaches fall short.

We understand that IBS isn’t “just in your head”—and we know how to help you rebuild health from the inside out, by treating both your gut and your brain with care, science, and compassion.

You don’t have to live with bloating, discomfort, or emotional distress. IBS may be the missing link in your mental and physical health journey—and Dr. Achina Stein can help you break the cycle.