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Why It Happens

It’s normal to have some gas. Each day, most people make 1 to 3 pints of it as we digest our food. It escapes 14 to 23 times a day, one way or the other. But if the gas can’t easily get out, you may feel uncomfortable and bloated.

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Two Sources

The gas inside you builds up two ways. Some of it starts as air that you swallow along with your food. Most of that goes away when you burp, but a little flows on into you. Your large intestine makes the rest of the gas as it breaks down your food. That gas goes out your backside.

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No Escape

Sometimes, you make more gas than you can handle, or some gets stuck inside you. When that happens, your body tells you. You may have pain, cramps, or a knotted feeling in your belly. Or you may get a feeling of fullness or pressure, especially in the upper part of your belly, which might be bloating if you overeat or from gas.

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Slow Down Dining

There’s no way to eat without swallowing air. But some habits can make it worse. If you eat fast or talk as you eat, you gulp down extra air. You also pull in more air if you drink through a straw, chew gum, or suck on hard candy between meals. Still more air gets in if you smoke. Dentures that don’t fit right also let in extra air.

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Tricky Foods

You probably already know about many of the foods that generate more gas than others do, such as beans, broccoli, and onions. But so can fruits such as apples, peaches, and pears. Bran, whole wheat, and some dairy products (cheese, ice cream, and yogurt) can also do that.

Since each of us reacts to food our own way, try cutting these out of your diet one at a time and see if that helps.

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Watch What You Drink

Fizzy bubbles from carbonated drinks and beer release air inside you. Milk, apple juice, and pear juice can also cause gas. So can fruit punch and other fruit drinks. If you like to drink any of these, do the same test as with food. Try dropping them one at a time and see what happens.

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Check on Sweeteners

Chewing gum or candy made with artificial sweeteners can lead to gas. So check the label for sorbitol, mannitol, or xylitol, which you may want to limit or avoid. Drinks sweetened with high-fructose corn syrup can be another source. Look for that on labels, too.

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Natural Fixes

Besides tweaking your diet and habits, you might get help from natural remedies. Try drinking peppermint tea or chamomile tea. They should at least be refreshing. There are also dietary supplements made with anise, caraway, coriander, fennel, and turmeric. As with any supplement, ask your doctor if there are any side effects to watch for.

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OTC Help

Over-the-counter medicine might be part of your solution. Antacids that contain simethicone free up gas bubbles in your stomach, so that it’s easier to burp them away. Activated charcoal tablets may help if you swallow them before and after meals. If beans or vegetables give you gas, products can supply the chemical you need to digest them.

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Lactose Intolerance

If you have lactose intolerance, your body can’t break down the sugar in milk (lactose). Over-the-counter products help. If you add a few drops to milk or chew a tablet right before mealtime, they supply the chemical you need. Or you could choose lactose-free or non-dairy products.

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Celiac Disease

If you get gas from foods that include wheat or some other grains, your doctor may test you for celiac disease. When you have it, your body can’t handle gluten, a protein in wheat, barley, and rye. You’ll need to go on a gluten-free diet if you have celiac disease. 

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When to See Your Doctor

If your pains are sharp enough or happen so often that they affect your daily life, call your doctor -- especially if you also have other symptoms such as unexplained weight loss, frequent nausea or vomiting, blood in your stools, diarrhea, and problems or changes with your bowel movements. And of course, if your “gas pains” involve chest pain or other heart attack symptoms, call 911.

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What Your Doctor Will Check

Your doctor will ask what you’ve been feeling, give you a physical exam, and may touch or listen to your belly. You’ll answer questions about what you eat. Bring any notes you’ve kept on what you eat and drink and when you have pain. If you have other symptoms, like weight loss or diarrhea, you may need more tests.

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Sources | Medically Reviewed on 07/27/2019 Reviewed by Nayana Ambardekar, MD on July 27, 2019

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SOURCES:

Cleveland Clinic: “Gas,” “Celiac Disease.”

Mayo Clinic: “Gas and gas pains.”

Merck Manual Consumer Version: “Gas.”

American College of Gastroenterology: “Belching, Bloating and Flatulence.”

National Institute of Diabetes and Digestive and Kidney Diseases: “Symptoms & Causes of Gas in the Digestive Tract.”

Johns Hopkins Medicine: “Gas in the Digestive Tract.”

Brigham Health: “Gas: Beat the Bloat.”

Reviewed by Nayana Ambardekar, MD on July 27, 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.