A bloated stomach usually comes from excess intestinal gas, fluid retention, or both, and most cases resolve within hours to days with straightforward changes. The fix depends on what’s causing the bloating: trapped gas responds to movement and dietary shifts, while water retention calls for adjusting your salt and fluid intake. Here’s what actually works.
Why Your Stomach Feels Bloated
Bloating has three main drivers, and they sometimes overlap. The first is gas production. When bacteria in your gut ferment certain carbohydrates, they produce gas that stretches your intestinal walls. The second is fluid retention, often triggered by high sodium intake. The third is less obvious: some people produce perfectly normal amounts of gas but have heightened sensitivity to it. Their nervous system perceives ordinary intestinal activity as painful pressure. This visceral hypersensitivity is common in people with irritable bowel syndrome.
There’s also a muscular component. Your diaphragm and abdominal wall muscles normally coordinate to move gas through and out of your digestive tract. In some people, this reflex misfires: the diaphragm contracts downward while the abdominal muscles relax, pushing the belly outward even when gas levels are normal. Understanding which mechanism is behind your bloating helps you choose the right remedy.
Quick Relief for Trapped Gas
When you’re bloated right now and want it gone, physical movement is your best first step. Light activity after meals, even a 10 to 15 minute walk, helps gas move through your intestines instead of pooling in one spot.
Specific yoga poses compress the abdomen in ways that encourage gas to pass. The most effective is the wind-relieving pose: lie on your back, bring both knees to your chest, and hug them with your arms while tucking your chin. Child’s pose works similarly. Kneel, sit back on your heels, then walk your hands forward on the floor while folding at the hips. A two-knee spinal twist, where you lie on your back and drop both bent knees to one side, can also help shift stubborn gas pockets.
Abdominal self-massage is another option. Lie on your back, place your hands on your lower abdomen, and massage in a clockwise direction (this follows the natural path of your colon). Use moderate pressure and work from the right side of your lower belly up toward your ribs, across, and down the left side toward your groin. A few minutes of this can get things moving.
Over-the-Counter Options
Simethicone (the active ingredient in Gas-X and similar products) works by breaking large gas bubbles into smaller ones, making them easier to pass. The typical dose for adults is 60 to 125 mg taken up to four times daily, after meals and at bedtime, with a maximum of 500 mg in 24 hours. It won’t prevent gas from forming, but it can reduce the uncomfortable pressure once gas has built up.
Digestive enzyme supplements target specific food triggers. If beans, lentils, broccoli, or root vegetables cause your bloating, an enzyme called alpha-galactosidase (sold as Beano) breaks down the non-absorbable fibers in those foods before they reach your lower intestine, where bacteria would otherwise ferment them. More than 20% of the population struggles to digest these complex carbohydrates. Taking the enzyme right before a meal prevents the gas from forming in the first place.
If dairy is the culprit, lactase supplements do the same thing for lactose. People who are lactose intolerant don’t produce enough of this enzyme naturally, so undigested milk sugar ferments and produces gas, bloating, and cramping. A lactase tablet taken with dairy foods can prevent all of that.
Peppermint Oil for Recurring Bloating
Enteric-coated peppermint oil capsules are widely used for bloating associated with IBS. The coating is important: it prevents the capsule from dissolving in your stomach and instead releases the oil in your intestines, where it relaxes the smooth muscle of the gut wall. The standard dose is one capsule three times a day, taken 30 to 60 minutes before eating. You can increase to two capsules per dose if one isn’t enough. Avoid taking it within two hours of any antacid, which can dissolve the coating prematurely.
Dietary Changes That Reduce Bloating
The most studied dietary approach for chronic bloating is a low-FODMAP diet. FODMAPs are a group of short-chain carbohydrates found in foods like wheat, onions, garlic, apples, milk, and legumes. They’re poorly absorbed in the small intestine and become fuel for gas-producing bacteria further down the line. In clinical research, eliminating high-FODMAP foods for just two weeks reduced bloating severity by 56%.
A full low-FODMAP diet is meant to be temporary. You eliminate the main FODMAP categories for two to six weeks, then reintroduce them one at a time to identify your personal triggers. Most people find that only one or two categories bother them, not all of them. Common culprits include fructose (found in honey, apples, and high-fructose corn syrup), lactose, and the fructans in wheat, onions, and garlic.
Cut Back on Sodium
If your bloating feels more like puffiness than gas pressure, sodium-driven water retention may be the issue. When you eat a lot of salt, your body holds onto extra fluid to keep sodium concentrations in balance. Research on controlled diets showed that increasing sodium intake causes a rapid rise in extracellular fluid volume. The encouraging part: after about two weeks on a lower-sodium diet, fluid levels returned to baseline. Reducing processed foods, restaurant meals, and added salt can noticeably deflate water-based bloating within that timeframe.
Stop Swallowing Extra Air
A surprising amount of bloating comes from swallowed air, a habit called aerophagia. You don’t notice it happening, but certain behaviors dramatically increase how much air reaches your stomach and intestines. The main offenders:
- Drinking through straws. Sip directly from a glass instead.
- Chewing gum or sucking on hard candy. Both cause you to swallow frequently, pulling in air each time.
- Eating too fast. Chew slowly and swallow one bite before taking the next.
- Carbonated drinks. The dissolved carbon dioxide releases gas directly into your digestive tract.
These changes are free, immediate, and surprisingly effective for people whose bloating is worst in the afternoon or evening after a full day of accumulating swallowed air.
Probiotics for Gut-Related Bloating
Probiotics can help, but the strain matters. Not every yogurt or supplement will make a difference. The strain with the strongest evidence for bloating specifically is Bifidobacterium infantis 35624, which has been tested in clinical trials on IBS patients. At a moderate dose, it showed meaningful improvements in bloating scores compared to placebo. Look for this strain on the label rather than grabbing a generic probiotic blend. Results typically take several weeks to appear.
When Bloating Signals Something Else
Most bloating is benign, but certain patterns warrant medical attention. The two most common underlying conditions are small intestinal bacterial overgrowth (SIBO), where bacteria multiply in the wrong part of the gut and ferment food prematurely, and specific carbohydrate intolerances. Both are treatable once identified.
Seek evaluation if your bloating comes with any of these: unintentional weight loss, blood in your stool, fever, difficulty swallowing, jaundice (yellowing of the skin or eyes), severe or worsening abdominal pain, or vomiting. New-onset bloating in anyone over 55, or in someone with a personal or family history of gastrointestinal or ovarian cancer, also warrants prompt investigation. These red flags don’t mean something is definitely wrong, but they call for testing to rule out conditions that benefit from early treatment.