How to Stop a GERD Attack Fast

The fastest way to ease a GERD attack is to stand up straight, stop eating, and take an over-the-counter antacid if you have one available. Antacids neutralize stomach acid within minutes, making them the quickest medication option. But there are several other things you can do right now, with or without medication, to get relief faster.

Stand Up and Loosen Your Clothing

Gravity is your most immediate tool. When you sit upright or stand, your esophagus stays above your stomach, letting acid drain back down naturally. If you’ve been slouching, lying down, or bending over, simply changing position can make a noticeable difference within minutes. Hunching forward compresses your chest and stomach, which pushes acid upward into the esophagus.

While you’re at it, loosen anything tight around your midsection. This isn’t just about comfort. A study published in Gastroenterology found that a tight waist belt increased acid reflux roughly eightfold compared to no belt. The belt raised pressure inside the stomach by about 9 mmHg after a meal and, critically, tripled the time it took the esophagus to clear acid: from 23 seconds without the belt to over 81 seconds with it. Unbuttoning your pants, loosening a belt, or changing out of tight shapewear can meaningfully reduce the pressure driving acid upward.

Over-the-Counter Medications and How Fast They Work

Not all heartburn medications work on the same timeline, and during an active attack, speed matters.

  • Antacids (calcium carbonate products like Tums or Rolaids) work the fastest. They neutralize acid already in your esophagus and stomach, providing relief within minutes. The trade-off is that they wear off relatively quickly.
  • H2 blockers (like famotidine, sold as Pepcid) take about an hour to kick in, but their effects last longer. If you’re early in an attack or anticipate one after a heavy meal, these can be useful.
  • Proton pump inhibitors (like omeprazole, sold as Prilosec) take one to four days to reach full effect. They’re designed for ongoing management, not acute relief. Don’t rely on these to stop an attack in progress.

If you’re in the middle of a flare, an antacid is your best first choice. You can combine it with an H2 blocker so that the antacid covers you immediately while the H2 blocker takes over for longer-lasting relief.

Baking Soda as a Quick Remedy

If you don’t have antacids on hand, half a teaspoon of baking soda (sodium bicarbonate) dissolved in a glass of cold water works as a fast-acting acid neutralizer. You can repeat this every two hours if needed, but don’t exceed five teaspoons in a single day.

There are some important limits to this approach. Baking soda is high in sodium, so it’s not appropriate if you’re on a sodium-restricted diet or have high blood pressure, heart disease, or kidney problems. Don’t use it for more than two weeks straight, and avoid taking it within one to two hours of other medications, since it can interfere with absorption. It’s a reasonable short-term fix, not a regular strategy.

Chewing Gum After the Burn Starts

Chewing a piece of sugar-free gum for 20 to 30 minutes can help during a mild to moderate flare. It stimulates saliva production, and saliva naturally contains bicarbonate, which helps neutralize acid in your esophagus. The repeated swallowing also pushes acid back down into the stomach more quickly. Bicarbonate gum, if you can find it, amplifies this effect. This won’t replace an antacid during a severe attack, but it’s a surprisingly effective no-cost option when you’re away from home or don’t have medication nearby.

What to Avoid During an Attack

What you stop doing matters as much as what you start doing. If you’re still eating, stop. If you were about to lie down, don’t. Avoid drinking carbonated beverages, coffee, citrus juice, or alcohol, all of which can worsen acid irritation. Peppermint tea, despite its reputation as a stomach soother, relaxes the valve between your esophagus and stomach, which can make reflux worse.

Don’t eat anything else for at least two to three hours. If the attack hit after a large or fatty meal, your stomach will take longer to empty, and adding more food on top just extends the window for reflux. Sipping plain water is fine and can help rinse acid from the esophagus. Some evidence suggests that alkaline water with a pH of 8.8 can help neutralize pepsin, an enzyme from the stomach that damages esophageal tissue, though regular water still helps.

Managing Nighttime Attacks

GERD attacks at night are particularly miserable because lying flat eliminates gravity’s help entirely. If reflux wakes you up, sit upright first. Once the worst passes, lie on your left side rather than your right. This position places your esophagus and the muscular valve at its base above the level of your stomach, allowing acid to drain away more efficiently.

For the longer term, elevating the head of your bed by 6 to 8 inches (using a wedge pillow or blocks under the bed frame) keeps your esophagus above your stomach all night. Stacking regular pillows doesn’t work as well because it bends you at the waist rather than tilting your whole torso, and that bend can actually increase abdominal pressure. If nighttime attacks happen regularly, the bed elevation alone often reduces their frequency significantly.

When It Might Not Be GERD

Heartburn and heart attacks can feel remarkably similar. Even experienced physicians sometimes can’t distinguish them based on symptoms alone. Typical GERD pain burns in the chest and upper abdomen, usually starts after eating or lying down, comes with a sour taste or regurgitation, and improves with antacids.

Heart attacks don’t always look like the dramatic crushing chest pain you see in movies. They can present as a milder pressure, tightness, or burning that spreads to the jaw, neck, shoulders, or arms. If your chest pain came on during physical exertion rather than after a meal, if it’s accompanied by shortness of breath, lightheadedness, or cold sweats, or if antacids do nothing for it after 5 to 10 minutes, treat it as a potential cardiac event and call emergency services. This is especially true if you’re over 40, have a history of heart disease, or have risk factors like diabetes, high blood pressure, or smoking. It is always better to have a heart attack ruled out than to dismiss one as heartburn.