Heartburn can usually be stopped within minutes using an over-the-counter antacid, and kept from coming back with a few targeted changes to how you eat, sleep, and manage your weight. The right approach depends on whether you need fast relief right now or a longer-term strategy to prevent episodes from recurring.
Fast Relief: What Works Right Now
If you’re dealing with heartburn at this moment, the quickest option is a standard antacid tablet or liquid containing calcium carbonate (the active ingredient in Tums and similar products). These work by directly neutralizing stomach acid on contact, so relief typically starts within a few minutes. The trade-off is that they wear off relatively fast, usually within one to two hours.
For longer-lasting relief, H2 blockers like famotidine (sold as Pepcid) reduce the amount of acid your stomach produces. They take about 60 minutes to kick in but then work for 4 to 10 hours. If you know a trigger meal is coming, taking one 30 to 60 minutes beforehand can prevent heartburn before it starts.
Proton pump inhibitors, or PPIs, like omeprazole (Prilosec) are the strongest option available without a prescription, but they’re designed differently. They don’t provide instant relief. Instead, they suppress acid production over days, reaching full effect after about four days of daily use. These are best for people dealing with heartburn multiple times a week, not for occasional flare-ups.
A Simple Home Remedy That Actually Works
Baking soda (sodium bicarbonate) is one of the oldest and most effective home remedies for heartburn. It neutralizes stomach acid almost immediately. The Mayo Clinic lists a standard dose of half a teaspoon dissolved in a full glass of water, taken every two hours as needed. You shouldn’t exceed five teaspoons in a single day.
There are real limits to this approach, though. Baking soda is extremely high in sodium, making it a poor choice if you have high blood pressure, heart disease, kidney disease, or are on a sodium-restricted diet. It can also cause the body to retain water, which worsens swelling conditions. Think of it as a quick fix for occasional use, not a regular habit.
Chewing Gum After Meals
This one sounds too simple to be true, but chewing gum after eating can meaningfully reduce heartburn. The mechanism is straightforward: chewing stimulates saliva production, and saliva is mildly alkaline. That extra saliva washes acid back down from the esophagus and helps neutralize it. In one study, chewing gum roughly doubled saliva flow and cut the time acid lingered in the esophagus by about two-thirds, from nearly 7 minutes down to around 2 minutes. Sugar-free gum works fine. Even 15 to 20 minutes of chewing after a meal can make a noticeable difference.
Foods That Trigger Heartburn (and Why)
Heartburn happens when the muscular valve between your esophagus and stomach doesn’t close tightly enough, allowing acid to splash upward. Certain foods physically weaken that valve. Fatty foods are the biggest culprit. Research shows that fat directly reduces the pressure this valve can maintain. In one study, a high-fat meal cut the valve’s ability to respond to tightening signals by more than half. That’s why greasy, fried, or rich foods so reliably trigger symptoms.
Other common triggers include:
- Chocolate, which contains compounds that relax the valve
- Peppermint, which has the same relaxing effect
- Acidic foods like tomatoes and citrus, which irritate an already-exposed esophagus
- Alcohol and coffee, which both stimulate acid production and relax the valve
- Carbonated drinks, which increase pressure inside the stomach
You don’t necessarily need to eliminate all of these permanently. Most people find that two or three items on this list are their personal triggers. Paying attention to which meals precede your worst episodes is more useful than following a blanket restriction list.
Eating Habits That Make a Difference
What you eat matters, but so does when and how much. Large meals stretch the stomach and put more pressure on that lower valve, making reflux more likely. Eating smaller portions more frequently throughout the day reduces this pressure. Finishing your last meal at least two to three hours before lying down gives your stomach time to empty, so there’s less acid available to reflux when you’re horizontal.
Eating quickly also contributes to heartburn. Rushed meals mean larger, less-chewed food hits the stomach all at once, slowing digestion and increasing acid production. Slowing down and chewing thoroughly is a small change with a surprisingly large effect.
How You Sleep Changes Everything
Nighttime heartburn is often the most disruptive kind, and two simple changes to your sleeping position can dramatically reduce it.
First, elevate the head of your bed by 6 to 11 inches. This means raising the actual bed frame (using blocks under the legs) or sleeping on a wedge-shaped pillow. Gravity then helps keep acid in your stomach. Stacking regular pillows doesn’t work well because it bends you at the waist, which can increase abdominal pressure and make things worse.
Second, sleep on your left side. When you lie on your right side, your esophagus sits below the level of your stomach, essentially creating a downhill path for acid to flow into. Sleeping on your left side flips this arrangement, positioning the esophagus above the stomach so acid has to travel uphill to reach it. A systematic review of the evidence found that left-side sleepers had significantly more reflux-free nights and reduced symptom severity scores after just two weeks.
Weight Loss Has a Threshold Effect
Carrying extra weight, especially around the midsection, physically pushes on the stomach and forces acid upward. Losing weight reliably improves heartburn, but there’s a meaningful threshold. A prospective study found no significant improvement with less than 5% body weight loss. For women, losing 5 to 10% of their starting weight produced a significant reduction in symptoms. Men needed to lose 10% or more before seeing the same benefit. For someone weighing 200 pounds, that means losing at least 10 to 20 pounds before heartburn noticeably improves.
This doesn’t mean smaller amounts of weight loss are pointless. But if you’re relying on weight loss as your primary heartburn strategy, it helps to know that the payoff comes after a sustained effort rather than from dropping a few pounds.
Long-Term Medication: Benefits and Trade-Offs
If lifestyle changes alone aren’t enough, PPIs are the most effective long-term option for suppressing acid. They work well for most people, but they aren’t meant to be taken indefinitely without a reason. Chronic PPI use has been associated with increased risk of certain bacterial infections, reduced bone density, and poor absorption of some vitamins and minerals. These risks are relatively small for most people, but they’re worth knowing about if you’ve been taking a PPI daily for months or years. The key is periodically reassessing whether you still need them, rather than staying on them by default.
Signs That Heartburn Needs Medical Attention
Most heartburn is manageable on your own, but certain symptoms signal something more serious. These include difficulty swallowing, pain when swallowing, unintentional weight loss, loss of appetite, vomiting (especially if it contains blood or looks like coffee grounds), and any signs of gastrointestinal bleeding such as black or tarry stools. These are considered alarm symptoms that warrant prompt evaluation, typically with an endoscopy to look for structural problems, ulcers, or precancerous changes. Heartburn that persists despite two weeks of daily PPI use also deserves a closer look.