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Dr. Brynna Connor, MD
Dr. Brynna Connor
Healthcare Ambassador at NorthWestPharmacy.com

Gastrointestinal Health

What Is Sensitive Gut and Irritable Bowel Syndrome?

October 8, 2020

When you eat food, it travels a long distance through your body. It passes through your mouth, esophagus, stomach, small intestine, large intestine, and anus. Each of these organs plays a different role in breaking down food into the energy and nutrients that your body uses in order to function. This process is known as digestion. Other organs such as the gallbladder and pancreas also help digestion by producing chemicals that break down food.

Unfortunately, any of these organs can stop working optimally, which may lead to pain or discomfort. Problems with organs in the digestive system are one of the main reasons people visit their doctor and I see patients with these conditions almost daily. Two very common conditions related to digestive troubles are known as sensitive gut and irritable bowel syndrome. The causes of these conditions are often unclear, but science is increasingly uncovering new ways to help relieve symptoms.

Digestive Troubles

Problems with the digestive system can be a big deal. Stomach or intestinal issues can disrupt a person's sleep, and they can interfere with a person's normal daily routine. For example, some people have unpredictable symptoms, and need to plan their day around having access to a bathroom. Additionally, digestive troubles can cause a person to miss work, school, or social events. There are many different disorders and conditions that can result in these sorts of problems.

Sensitive Gut

The term "sensitive gut" isn't an official medical diagnosis. It's a general name that can be used when someone frequently gets an upset stomach or experiences other digestive issues. While everyone experiences stomach or intestinal problems occasionally, some people's digestive systems are more sensitive to certain foods or habits, leading to pain, discomfort, or other symptoms on a regular basis.

Digestive symptoms can include many things, such as:

  • Stomach cramping
  • Abdominal pain
  • Nausea
  • Indigestion or upset stomach
  • Vomiting
  • Feeling uncomfortably full during or after a meal
  • Bloating
  • A burning feeling in the chest or stomach
  • Excess gas
  • Diarrhea
  • Constipation

People with a sensitive gut experience one or more of these symptoms on a regular basis. If you have some of these issues, it may be helpful to spend some time trying to figure out if certain foods or actions make these symptoms worse, as we'll explore further below.

Irritable Bowel Syndrome

This disorder, also known as IBS, is one example of a "functional gastrointestinal disorder." When people have disorders in this category, they experience stomach or intestinal symptoms, but their digestive systems look normal on tests like x-rays or endoscopies. Doctors think that the brain plays a role in these disorders. However, this is not to say that your stomach troubles are all in your head – there is a very real, physical connection between your mind and your gut.

Throughout your digestive system, there are millions of nerve cells, called neurons. The neurons communicate with each other and with the brain in order to control how your digestive system works. The brain sends signals to the digestive system to help it function correctly, and the digestive system in turn sends signals back to the brain so that the brain can control things like appetite, mood, and sleep. There is thought to be a disruption in this process in functional gastrointestinal disorders. The neurons connected to the intestines may be too sensitive, the intestines or stomach may not move properly, or the brain's ability to control digestion may not be working right.

A recent study found that as many as 40% of people around the world may have some type of functional gastrointestinal disorder. IBS is one of the most common conditions in this category. People with IBS have several of the digestive symptoms listed above, which persist over a long period of time. The most common symptoms are abdominal pain and changes in bowel habits. There are a couple of different types of IBS. People with IBS-C tend to have constipation and hard, lumpy stool. Those with IBS-D frequently have diarrhea and loose, watery stool. Some people have problems with both constipation and diarrhea. Other symptoms like bloating and whitish mucus in the stool are also typical.

Other Digestive Disorders

Some other diseases or conditions may cause some of the same symptoms as sensitive gut and IBS. For example:

  • Gallstones are clumps of hardened material that form in your gallbladder and can cause pain and cramping.
  • Gastritis is inflammation of the stomach lining that may be caused by an infection and can lead to pain and nausea.
  • Infections of the stomach or intestines can occur when certain types of bacteria become overgrown.
  • Ulcers are sores that develop in the stomach that can be caused by infection or overuse of certain pain medications.
  • Pancreatitis occurs when your pancreas becomes inflamed and causes abdominal pain, nausea, and vomiting.
  • Taking medications like antibiotics, aspirin, or ibuprofen may sometimes have side effects that mimic indigestion.

In many cases, discomfort and irregular bowel habits aren't a severe health problem. However, if your symptoms are frequent or last longer than a couple of weeks, talk to your healthcare provider to check whether there is something more serious going on. Warning signs of a more serious condition include blood in your vomit or stool, difficulty swallowing, weight loss, severe abdominal pain, shortness of breath, yellow-tinged eyes or skin, or pain in your chest, neck, or arm. If you experience any of these symptoms, contact a doctor right away.

Potential Causes and Treatments

Knowing how to make your digestive issues better first starts with better understanding the root of the problem. It can be difficult to determine the exact culprit, and you may have to try several strategies before pinpointing problem foods or behaviors.

Change Your Eating Habits

Eating your meals in a different way may help your body more easily digest your food. Strategies like the following may help:

  • Eat multiple small meals rather than a couple of large ones
  • Chew slowly
  • Make sure your food is properly chewed before swallowing
  • Drink liquids slowly
  • Don't eat within two hours of going to sleep

Avoid Harder-to-Digest Foods

Certain types of food or drink can make indigestion, stomach pain, and intestinal symptoms worse. Try avoiding common problem foods for a few weeks to see if your symptoms improve. Things to stay away from include:

  • Acidic foods like tomatoes and oranges
  • Spicy foods
  • Greasy or fried foods
  • Foods with high levels of fat
  • Caffeinated drinks such as coffee and tea
  • Alcohol
  • Carbonated drinks such as soda and seltzer water

Eating a bland diet for a couple of weeks or months may help digestive problems go away. Bland foods are easier for your stomach and intestines to digest, and include things like cooked and canned vegetables, eggs, soup, pudding, breads and crackers made with white flour, and baked poultry and fish. Ask your healthcare provider for recommendations regarding when you can start adding other foods back into your diet.

Food Intolerances

Some people have food allergies, which can cause serious reactions involving rashes and breathing difficulties. On the other hand, food intolerances are typically less severe and lead to digestive symptoms. Some of the most common food intolerances involve gluten, dairy, and molecules called FODMAPs.

Gluten is a type of protein found in wheat, barley, and rye. People who have gluten intolerance, also known as gluten sensitivity, experience digestive symptoms when they eat products that contain these grains. Gluten intolerance may also lead to symptoms like tiredness or muscle cramps. A related disorder is celiac disease, a more severe condition in which eating gluten leads to damage to the small intestine.

People who have lactose intolerance have symptoms like gas and diarrhea when they eat dairy products such as milk, cheese, and butter. All of these milk products contain a type of sugar called lactose. Over a third of people in the United States may have trouble digesting and absorbing lactose. People who have lactose intolerance may be able to get rid of their digestive symptoms by limiting or completely avoiding consuming milk and dairy products.

Another common source of digestive distress is FODMAPs. These molecules are a type of carbohydrate that may be more difficult for the body to digest, especially for people with a sensitive gut. FODMAPs are found in:

  • Fruits like apples, blackberries, cherries, pears, and watermelon
  • Vegetables like artichokes, asparagus, cabbage, garlic, and onions
  • Beans and lentils
  • Milk-based foods like cheese, yogurt, and ice cream
  • Wheat and wheat-containing foods like bread and pasta
  • Foods and drinks containing artificial sweeteners

If you think you have a food intolerance, you can try avoiding that food for several weeks to see if your symptoms improve. A low FODMAP diet might work for you. If you aren't sure which foods you may be intolerant to, you can try an elimination diet in which you avoid all potential problem foods for several weeks and then gradually add them back into your regular diet. Adding foods back one at a time can help you determine which foods are likely to trigger your symptoms. Talk to your healthcare provider or a registered dietician for further guidance in setting up an elimination diet that meets your needs.

Stress

Because disorders like IBS involve communication between the brain and the gut, stress and anxiety can often cause these disorders or make them worse. People with IBS are also more likely to have anxiety, depression, and other mental health disorders.

Stress can be particularly tricky to address for people with a sensitive gut or IBS. Digestive problems are often themselves a main source of stress. Worrying about rushing to a bathroom or losing sleep because of abdominal troubles can make people feel more stressed, and this extra stress may in turn make their digestive problems worse. It can be a vicious cycle. However, learning how to better reduce stress can help make IBS symptoms better.

Certain mental health treatments have been shown to help with IBS. Cognitive behavioral therapy can help people change their thoughts and behaviors and teach people how to better manage stress and anxiety. Learning deep breathing or relaxation skills can also help people with IBS. Finally, gut-directed hypnotherapy, in which a person is guided into a hypnotic state, can help restore better communication between the brain and the gut and can provide long-term relief from IBS symptoms. Building other healthy habits into a daily routine, such as getting more sleep and exercising more, can also help treat IBS.

Probiotics

We all have lots of different types of healthy bacteria in our intestines that help us digest food. Some people with IBS have too many bacteria, or have high numbers of harmful bacteria. Giving your body more of the "good" types of bacteria may help.

Bacteria and other microorganisms that are good for you are known as probiotics. Yogurt is one popular source of helpful bacteria. People can also get probiotics from unpasteurized fermented foods like sauerkraut, miso soup, kefir, kimchi, pickles, and komboucha. Additionally, probiotic supplements are available over-the-counter in the form of capsules or gummies. Several studies have found that taking probiotics can reduce IBS symptoms.

Herbs

Different herbs have long been used as traditional treatments to help with digestive problems. For example, peppermint oil is known to help with IBS symptoms, especially when taken in the form of a coated capsule. Clinical trials have found that other herbal supplements can also be effective at reducing pain and symptoms in IBS patients, including bitter candytuft, chamomile, caraway, licorice root, and lemon balm.

Herbal and other non-prescriptions supplements can be helpful in treatment but they can also have interactions with other supplements and medications so please don't start taking any supplements without a consultation with your doctor to ensure they are appropriate for you.

Medication

If changes in diet or lifestyle don't help reduce IBS symptoms, doctors may prescribe medication. Different medicines can be used to treat diarrhea, constipation, and abdominal pain.

Conclusion

If you feel like you are having a lot of problems with an upset stomach, pain, or irregular bowel habits, the first step is talking to your doctor, who can help you make sure there's nothing serious going on. Changing your diet to avoid irritating foods and include more easily digestible foods is another helpful step. Many people suffer from digestive problems, but that doesn't mean that there's nothing you can do to help ease your symptoms.

Articles authored by Dr. Connor are intended to facilitate awareness about health and wellness matters generally and are not a substitute for professional medical attention or advice from your own healthcare practitioner, which is dependent on your detailed personal medical condition and history. You should always speak with your own qualified healthcare practitioner about any information in any articles you may read here before choosing to act or not act upon such information.