How to Get Rid of Heartburn Fast and Prevent It

You can get rid of heartburn with a combination of quick-acting remedies for immediate relief and simple habit changes that prevent it from coming back. Most heartburn responds well to over-the-counter medications, and for many people, adjusting when, what, and how much they eat eliminates it entirely. Here’s what actually works and why.

What’s Happening When You Feel Heartburn

At the bottom of your esophagus, a ring of muscle acts like a one-way valve. It opens to let food into your stomach, then closes to keep stomach acid where it belongs. Heartburn happens when that valve relaxes at the wrong time or becomes too weak, allowing acid to wash back up into your esophagus. The lining of your esophagus isn’t built to handle acid, so it burns.

Several things can weaken or relax that valve: smoking, large meals, fatty or fried foods, alcohol, coffee, chocolate, mint, garlic, and onions. Fatty foods are a double hit because they increase stomach acid production and take longer to digest, giving acid more opportunity to escape upward. Eating late at night is another common trigger, since lying down shortly after a meal makes it easier for acid to flow the wrong direction.

Fast Relief: Choosing the Right Medication

Over-the-counter heartburn medications fall into three categories, and they work on different timelines. Picking the right one depends on whether you need relief right now or want to prevent heartburn over the next several hours.

Antacids (like Tums or Rolaids) neutralize stomach acid that’s already there. They work within minutes but wear off quickly, usually within an hour or two. These are your best option for occasional, mild heartburn that hits after a meal.

H2 blockers (like famotidine, sold as Pepcid AC) reduce the amount of acid your stomach produces. They take about 30 minutes to kick in but last roughly eight hours. If you know a trigger meal is coming, taking one beforehand can prevent heartburn from starting.

Proton pump inhibitors (like omeprazole, sold as Prilosec) are the strongest option. They block acid production for 15 to 21 hours per day, but they can take up to four days to reach full effect. For best results, take them 30 to 60 minutes before eating. PPIs are designed for frequent heartburn, not a one-time flare-up.

Lifestyle Changes That Actually Prevent It

Medications treat the symptom. These changes address the cause.

Lose weight if you carry extra pounds. Excess weight puts pressure on your stomach and pushes acid upward. A study tracking women over 14 years found that losing enough weight to drop their BMI by about 3.5 points reduced frequent heartburn symptoms by nearly 40%. Other research found that losing just 5 to 10% of body weight in women (and more than 10% in men) led to significant improvement. You don’t need to reach an ideal weight to see results.

Eat smaller meals. A large meal stretches your stomach and increases pressure on that valve at the bottom of your esophagus. Splitting three big meals into four or five smaller ones reduces the load.

Stop eating 2 to 3 hours before bed. Gravity helps keep acid in your stomach when you’re upright. Lying down with a full stomach is one of the most reliable ways to trigger nighttime heartburn.

Cut back on known triggers. Chocolate, coffee, alcohol, mint, garlic, onions, and fatty or fried foods all relax the valve or increase acid production. You don’t necessarily need to eliminate all of them permanently. Try removing the most likely culprits for a couple of weeks, then reintroduce them one at a time to figure out which ones actually bother you.

Nighttime Heartburn: Sleep Position Matters

If heartburn wakes you up or makes it hard to fall asleep, two adjustments can make a significant difference.

First, elevate the head of your bed by 6 to 8 inches. This means raising the actual bed frame or using a wedge pillow under your upper body. Stacking regular pillows doesn’t work well because they bend you at the waist instead of creating a gradual incline. Studies show this elevation significantly reduces how long acid sits in the esophagus overnight.

Second, sleep on your left side. A study monitoring 57 people with chronic heartburn found that while reflux episodes happened equally often regardless of position, acid cleared from the esophagus much faster when participants were on their left side compared to their right side or back. The anatomy works in your favor: your stomach curves in a way that keeps the acid pocket below the valve opening when you’re on your left.

What About Home Remedies?

Baking soda dissolved in water (about half a teaspoon in a glass) works as a basic antacid and can neutralize acid quickly. It’s fine for occasional use, but the sodium content makes it a poor long-term solution.

Ginger, chamomile, and licorice root are commonly recommended, but the evidence behind them is thin. Harvard Health Publishing notes that herbal products don’t undergo the same rigorous testing as medications, and there’s little scientific evidence confirming the effectiveness of most natural heartburn remedies. Licorice in particular can raise blood pressure with regular use, so it’s not something to take daily.

Long-term PPI Use: Is It Safe?

If you’ve been taking a proton pump inhibitor for weeks or months, you may have seen alarming headlines about bone fractures, nutrient deficiencies, or kidney problems. The reality is more reassuring than the headlines suggest. The American College of Gastroenterology acknowledges these concerns but notes that higher-quality studies have not confirmed a cause-and-effect relationship between PPI use and osteoporosis-related fractures or vitamin deficiencies.

PPIs can theoretically reduce absorption of vitamin B12, magnesium, and calcium because they lower stomach acid, which your body uses to absorb those nutrients. But current guidelines say that if you don’t already have risk factors for bone disease or B12 deficiency, you don’t need to take extra supplements or get routine monitoring just because you’re on a PPI. That said, using the lowest effective dose and stepping down to an H2 blocker when possible is a reasonable approach.

Heartburn vs. Heart Attack

Heartburn typically produces a burning sensation in the chest or upper abdomen, often after eating, and it usually responds to antacids. A heart attack feels more like pressure, tightness, or squeezing in the chest or arms, and that sensation can spread to your neck, jaw, or back. Heart attack pain doesn’t improve with antacids.

If your chest pain comes with shortness of breath, sweating, dizziness, or pain radiating to your arm or jaw, treat it as a medical emergency. If you’re unsure, err on the side of calling 911. The overlap in symptoms is real, and even emergency physicians sometimes need tests to tell them apart.

Signs Your Heartburn Needs Medical Attention

Occasional heartburn after a heavy meal is normal. Heartburn that happens twice a week or more, persists despite over-the-counter treatment, or has been going on for years may be gastroesophageal reflux disease (GERD), which can damage your esophagus over time. Difficulty swallowing, unintentional weight loss, or persistent vomiting are red flags that warrant a gastroenterology evaluation, potentially including an endoscopy to look at the lining of your esophagus directly.