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Why Are You Bloated?

It’s that too-full feeling you get in the belly after you eat a bit too much. Or it might be the type of food you ate, or how fast you ate it, or too much salt, fat, or sugar, that causes gas, weight gain, constipation, or water retention. Certain medical conditions like celiac disease, Crohn’s disease, irritable bowel syndrome, or ulcerative colitis might also make it more likely.

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Gassy Foods

Beans are a great source of fiber and protein. They also have a substance called raffinose that bacteria need to break down. That can produce gas and lead to bloat. It’s not bad for you, and how gassy you get varies from person to person and by types of beans. Broccoli, cabbage, and Brussels sprouts also have raffinose. Your body will likely adjust. Over-the-counter meds may help you digest these foods more easily.

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Find the FODMAPs

These are a group of carbs that are hard to digest for some people. They can cause bloating from gas and fluid buildup. FODMAPs include lactose in dairy, fructose in fruit and honey, and many others. Keep notes on how your body handles different foods. Share that info with your doctor to help figure out whether FODMAPs might be to blame, so you know if you need to drop them from your diet.

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Slow Down!

The faster you eat, the more air you swallow. Your stomach can swell when it traps the air, which sometimes passes on to your intestines. Plus, you down more food when you eat quickly. That’s in part because it can take as much as 30 minutes for your stomach to tell your brain that you’re full. You might overdo it before your brain gets the message -- and that can also make you feel bloated.

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Put Boundaries on Bubble

Limit fizzy drinks. The gas that you swallow when you drink soda and other bubbly drinks -- beer, champagne, seltzer -- can fill up your digestive system. You burp some of it away, and some remains and moves through your digestive system until it “passes” out the other end. That’s why it’s called “passing gas.”

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Be Carb-Smart

Your body taps into this fuel more quickly than protein or fat, which take longer to digest. After your body uses the carbs it needs for energy, it stores the rest: first as glycogen, which makes your body retain water, and then in fat cells. Both can make you feel bloated. It can help to avoid “simple” carbs, like white bread and pastries, in favor of “complex” carbs, like whole grains and vegetables that take longer to digest.

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Eat Just Enough

Your stomach is only about the size of a fist. Food compacts somewhat through the digestive process, but if you eat too much, it starts to stretch out your stomach, and that can make you feel bloated. Plus, too much food makes it more likely that you’ll overdo the salt, carbs, fat, and calories, all of which can also make you feel bloated.

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Limit Salt

Your body needs it to work, but most of us get more than we need. It prompts your body to retain more water, which can make you feel bloated. It also can cause kidney problems and high blood pressure. You may get more salt in your diet than you realize from processed and fast foods. So check food labels for salt (sodium) levels and remember: Just because you don’t taste it, it doesn’t mean it’s not there.

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When you get “stopped up,” you can feel bloated.  Mostly, it happens when you need water, fiber, or exercise. But diet changes, illness, or stress also can do it. It usually passes, but exercise, water, and over-the-counter meds can help. See a doctor if you're losing weight and don't know why, it lasts more than a week or two, or you have dizziness, belly pain, or blood in your stool. These could be signs of something more serious.

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Check On Your Weight

Have you gained 10 or more pounds in the last year? That’s often the case for people who say they feel bloated. It could be because that weight often goes on around the belly, which leaves less room for your stomach to stretch. You and your doctor may be able to build a well-balanced diet and exercise program that helps you lose weight and feel less bloated.

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Trim Fat Calories

Your body takes quite a while to digest fat. That means it can stick around in your stomach for a while and leave you feeling bloated. Plus, it’s the most calorie-dense food that you can eat. Those calories can add up quickly and cause you to gain weight, which could also make you feel bloated. It might help to limit fat calories with lean protein, whole grains, and vegetables.

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Manage Medical Conditions

Your doctor can help you figure out if gut conditions like irritable bowel syndrome, Crohn’s disease, ulcerative colitis, celiac disease, infection, or others are causing your bloating. Treatment may include changes in diet, sleep, and exercise habits, along with medication. The more closely you follow your doctor’s suggestions, the more likely you are to ease your bloating.  Tell your doctor if your bloating is severe or comes back.

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Sources | Medically Reviewed on 04/23/2019 Reviewed by Melinda Ratini, DO, MS on April 23, 2019


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Action on Salt, Wolfson Institute of Preventive Medicine: “Kidney disease and kidney stones,” “Salt Myths.”

American Academy of Family Physicians: “Constipation,” “Bloating.”

American Journal of Gastroenterology: “Obesity is associated with increased risk of gastrointestinal symptoms: a population-based study.”

BMJ Open Diabetes Research and Care: “The effect of slow spaced eating on hunger and satiety in overweight and obese patients with type 2 diabetes mellitus.”

CDC: “Eat More, Weigh Less?” “Sodium Fact Sheet,” “Losing Weight.”

Cleveland Clinic: “Fat and Calories,” “Constipation,” “Constipation: 6 Hints to Help You Return to Regular Bowel Movements,” “Feel Bloated? 5 Odd Reasons for Your Stomach Pain,” “Gas.”

Gastroenterology & Hepatology: “Low-FODMAP Diet for Treatment of Irritable Bowel Syndrome.”

Harvard Health Publishing: “Why eating slowly may help you feel full faster.” “IBS Food and Symptom Diary.”

International Foundation for Gastrointestinal Disorders: “Understanding Bloating and Distension.”

Johns Hopkins Medicine: “Bloating: Causes and Prevention Tips.”

Journal of Clinical Endocrinology & Metabolism: “Eating Slowly Increases the Postprandial Response of the Anorexigenic Gut Hormones, Peptide YY and Glucagon-Like Peptide-1.”

Nemours Foundation: “Figuring Out Fat and Calories.”

Neurogastroenterology and Motility: “Association of upper and lower gastrointestinal tract symptoms with body mass index in an Australian cohort.”

NIH National Heart, Lung, and Blood Institute: “Selecting a Weight-Loss Program.”

NIH National Institute of Diabetes and Digestive and Kidney Diseases: “Symptoms & Causes of Constipation.”

NIH News In Health: “Weighing in on Dietary Fats.”

University of Michigan Medicine: “4 Ways to Stop Digestive Discomfort After a Supersized Meal.”

UpToDate: “Patient education: Gas and bloating (Beyond the Basics).”

Reviewed by Melinda Ratini, DO, MS on April 23, 2019

This tool does not provide medical advice. See additional information.

THIS TOOL DOES NOT PROVIDE MEDICAL ADVICE. It is intended for general informational purposes only and does not address individual circumstances. It is not a substitute for professional medical advice, diagnosis or treatment and should not be relied on to make decisions about your health. Never ignore professional medical advice in seeking treatment because of something you have read on the WebMD Site. If you think you may have a medical emergency, immediately call your doctor or dial 911.