Life can feel overwhelming at times, with busy schedules, unexpected challenges, and daily pressures that never seem to slow down. While stress is a normal part of life, it can take a serious toll on your body—especially your digestive system. If you’ve ever experienced stomach cramps, nausea, or bloating during a stressful period, you’re not alone. The gut and brain are closely connected, and when stress levels rise, digestion often suffers.

What exactly happens to your gut under stress, and how can you keep your digestive system calm even when life feels chaotic? Let’s break it down.

The gut-stress connection

Your gut and brain communicate constantly through the gut-brain axis, a complex network of nerves, hormones, and gut bacteria. When stress levels rise, your body shifts into “fight or flight” mode, prioritizing survival over digestion. Blood flow to the digestive tract slows down, stomach acid production can increase or decrease unpredictably, and muscle contractions in the intestines may become irregular. All of this can lead to uncomfortable symptoms like bloating, acid reflux, constipation, or diarrhea.

Chronic stress can also disrupt the body’s balance of gut bacteria, leading to inflammation and making digestive issues even worse. Over time, prolonged stress can contribute to conditions like irritable bowel syndrome (IBS), ulcers, and even increased sensitivity to certain foods.

How to keep your gut calm amid the chaos

While stress is unavoidable, there are ways to manage it so it doesn’t wreak havoc on your digestion. One of the most effective strategies is mindful breathing. Taking slow, deep breaths signals to your body that it’s safe to relax, helping to restore normal digestive function. Even just a few minutes of deep breathing each day can make a noticeable difference.

Another powerful tool is movement. Exercise, whether it’s a walk around the block, yoga, or a workout at the gym, helps regulate stress hormones and keeps digestion moving smoothly. Physical activity also stimulates the muscles of the digestive tract, reducing the likelihood of sluggish digestion or bloating.

Your diet also plays a key role in managing stress-related digestive issues. When stress levels are high, it’s tempting to reach for sugary snacks or processed comfort foods, but these can actually make symptoms worse. Instead, focus on whole, fiber-rich foods that support gut health, like leafy greens, nuts, seeds, and probiotic-rich yogurt. Staying hydrated is equally important—water helps your digestive system function properly and can prevent stress-induced constipation.

Prioritizing rest and relaxation

Quality sleep is often overlooked, but it’s essential for both stress management and gut health. Poor sleep can lead to increased stress hormones, which, in turn, can trigger digestive discomfort. Establishing a relaxing bedtime routine—such as turning off screens an hour before bed, drinking herbal tea, or practicing gentle stretching—can improve sleep quality and help keep stress levels in check.

Taking time for relaxation throughout the day is just as important. Whether it’s listening to music, reading a book, spending time in nature, or practicing meditation, small moments of calm can have a big impact on your gut health. Finding activities that bring you joy and relaxation will not only help your mind but also keep your digestive system running smoothly.

When to seek help

If stress-related digestive issues become persistent or severe, it might be time to check in with a gastroenterologist. Symptoms like frequent bloating, ongoing stomach pain, or changes in bowel habits shouldn’t be ignored. A specialist can help identify any underlying conditions and offer personalized strategies to improve both your digestion and overall well-being.

Donna Powell and Renee M. Marchioni Beery are gastroenterologists.