Changing your body position, chewing gum, and taking an over-the-counter alginate or antacid can all ease acid reflux within minutes at home. The fastest relief usually comes from a combination of physical adjustments and something that either neutralizes stomach acid or keeps it from reaching your esophagus. Beyond those quick fixes, a handful of less obvious strategies, from breathing exercises to the timing of your last meal, can reduce how often flare-ups happen in the first place.
Roll Onto Your Left Side
If reflux hits while you’re lying down, especially at night, the single fastest thing you can do is shift onto your left side. A systematic review and meta-analysis found that sleeping on the left significantly reduced both the time acid spent in contact with the esophagus and the total number of acid clearance events, compared to sleeping on the right side or flat on your back.1PubMed Central. Left lateral decubitus sleeping position is associated with improved gastroesophageal reflux disease symptoms: A systematic review and meta-analysis Sleeping on the right side performed about the same as lying flat, so the benefit is specific to the left.
The anatomy behind this is straightforward. When you lie on your left, your stomach sits below the esophageal opening, and the natural curve of the stomach keeps the pool of acid away from the junction where it could splash upward. On the right side, that junction is essentially submerged. If you wake up with heartburn, rolling to your left is a zero-cost move that starts working immediately.
Raise the Head of Your Bed
Propping your upper body up by about six inches is one of the most consistently recommended lifestyle changes for nighttime reflux. A systematic review of nocturnal reflux interventions found that head-of-bed elevation was the best-studied physical measure, and a sequential approach starting with elevation, followed by extending dinner-to-bed time and left-side sleeping, was recommended before adding medication.2PubMed Central. Systematic review: Clinical effectiveness of interventions for the treatment of nocturnal gastroesophageal reflux The key is raising the head of the bed frame itself, using a wedge pillow, or stacking risers under the headboard legs. Simply piling up regular pillows tends to bend you at the waist, which can increase abdominal pressure and make things worse.
Chew a Piece of Gum
Chewing gum after a meal stimulates saliva production, and saliva is mildly alkaline. A study measuring acid clearance time in the esophagus found that when participants chewed gum, their salivary flow roughly doubled and the time it took for esophageal acid to clear dropped from about seven minutes to about two minutes.3Digestion. Oesophageal Acid and Salivary Secretion: Is Chewing Gum a Treatment Option for Gastro-Oesophageal Reflux? Sugar-free gum works fine. The mechanical act of chewing also encourages swallowing, which pushes any acid that has crept up back down into the stomach. This won’t prevent reflux from happening, but it speeds up recovery once it does.
Try Diaphragmatic Breathing
This one sounds improbable, but the evidence is surprisingly solid. In a randomized controlled trial, deliberate deep-belly breathing, where you expand the diaphragm rather than the chest, nearly doubled the pressure at the lower esophageal sphincter during inhalation and dramatically cut the number of postprandial reflux events. Patients doing diaphragmatic breathing after a meal averaged less than one reflux event, compared to about two and a half during normal observation.4American Journal of Gastroenterology. Effects of Diaphragmatic Breathing on the Pathophysiology and Treatment of Upright Gastroesophageal Reflux: A Randomized Controlled Trial The effect held up over a 48-hour ambulatory monitoring period as well. The technique takes a few minutes to learn: breathe in slowly through your nose, letting your belly push outward, then exhale slowly. It works by physically tightening the muscular cuff around the base of the esophagus.
Over-the-Counter Options That Work Fast
If you want something you can swallow for quick relief, a few categories of products are worth knowing about. They work through different mechanisms, and which one suits you depends on how often you reach for them.
Alginate-Based Formulations
Products containing sodium alginate, often sold under brand names you’ll find in the antacid aisle, work differently from traditional antacids. When alginate hits stomach acid, it forms a gel that traps carbon dioxide and floats on top of the stomach contents like a raft.5PubMed. Review article: alginate-raft formulations in the treatment of heartburn and acid reflux This physical barrier sits between the acid pool and the esophageal opening, so even if the sphincter relaxes briefly, the first thing that moves upward is the neutral raft rather than stomach acid. Alginates tend to work within minutes and are considered safe for occasional use, including during pregnancy in many formulations.
H2 Blockers
Famotidine and similar drugs reduce the amount of acid your stomach produces. A systematic review found that on-demand doses of famotidine at 10 or 20 mg, as well as ranitidine at 75 mg, were effective for relieving individual heartburn episodes.6PubMed Central. Systematic review: the efficacy of intermittent and on-demand therapy with histamine H2-receptor antagonists or proton pump inhibitors for gastro-oesophageal reflux disease patients They don’t neutralize acid that’s already there, so they take longer to kick in than an antacid, usually around 30 to 60 minutes. But the effect lasts longer, often several hours. If you know a heavy meal is coming and you tend to get reflux afterward, taking one beforehand can head it off.
A Note on Baking Soda
Dissolving a small amount of baking soda (sodium bicarbonate) in water is an old home remedy that does neutralize stomach acid on contact. It works, and it works fast. The problem is dosing and frequency. Baking soda is extremely high in sodium, and overconsumption has been linked to serious electrolyte disturbances, including dangerously low potassium and cardiac complications.7PubMed Central. Baking soda can settle the stomach but upset the heart: case files of the Medical Toxicology Fellowship at the University of California, San Francisco If you use it at all, keep it to half a teaspoon in a full glass of water and treat it as a once-in-a-while emergency measure, not a routine strategy.
Loosen Your Clothing
Tight waistbands are a real, measurable contributor to reflux. A study using manometry found that an abdominal compression belt increased pressure inside the stomach by about 7 mmHg while fasting and 9 mmHg after a meal, and acid reflux in the lower esophagus increased roughly eightfold.8Elsevier / Gastroenterology. Abdominal Compression by Waist Belt Aggravates Gastroesophageal Reflux, Primarily by Impairing Esophageal Clearance The main mechanism was impaired esophageal clearance rather than more acid production: the belt made it harder for the esophagus to push acid back down once it crept up. If you’ve just eaten and reflux is starting, unbuttoning your pants or switching to looser clothes around the waist can help more than you’d expect.
Ginger for Gastric Emptying
Ginger has a specific and well-documented effect on how quickly food leaves the stomach. A study in healthy volunteers found that ginger shortened the stomach’s half-emptying time from about 16 minutes to about 12 minutes.9PubMed Central. Effect of ginger on gastric motility and symptoms of functional dyspepsia A separate study confirmed that ginger accelerates gastric emptying and stimulates contractions in the lower part of the stomach.10European Journal of Gastroenterology & Hepatology. Effects of ginger on gastric emptying and motility in healthy humans The relevance to reflux is indirect: the longer food sits in your stomach, the more opportunity there is for acid to splash upward. Moving things along reduces that window. A cup of ginger tea after a meal is a reasonable approach, though the studies used standardized ginger capsules, so the dose in a home-brewed tea is less precise.
Alkaline Water
There is some laboratory evidence that water with a pH of 8.8 can inactivate pepsin, the enzyme that does the actual tissue damage in reflux, and has a stronger acid-buffering capacity than regular water.11PubMed. Potential benefits of pH 8.8 alkaline drinking water as an adjunct in the treatment of reflux disease This was an in-vitro finding, meaning it was demonstrated in a lab dish rather than inside a living esophagus. Drinking plain water during a reflux episode still helps by diluting acid and washing it back down. Whether the slightly higher pH of alkaline water provides meaningfully better relief than regular water during an acute episode hasn’t been convincingly shown in clinical trials. Still, sipping water of any kind is a safe and sensible move during a flare-up.
The Dinner-to-Bedtime Gap
How long you wait between your last meal and lying down is one of the strongest predictors of nighttime reflux. A study found that people who went to bed within three hours of dinner had more than seven times the odds of experiencing reflux symptoms compared to those who waited four hours or more.12PubMed. Association between dinner-to-bed time and gastro-esophageal reflux disease Another study looking at why reflux comes back after treatment found that a short dinner-to-bedtime interval was the single strongest independent predictor of recurrence.13PubMed. Recurrence of gastroesophageal reflux disease correlated with a short dinner-to-bedtime interval Three hours is the widely cited minimum, and four is better if you can manage it. This is prevention rather than acute relief, but it’s the single most impactful habit change for people whose reflux mainly strikes at night.
Foods That Make Things Worse
Certain foods don’t just trigger reflux symptoms; they measurably weaken the muscular valve at the base of the esophagus. Fatty foods both lower sphincter pressure and slow gastric emptying, a double hit that creates ideal conditions for acid to travel upward.14PubMed Central. Risk factors for gastroesophageal reflux disease: the role of diet Peppermint relaxes the smooth muscle lining the digestive tract, including the lower esophageal sphincter, which is why peppermint tea can feel soothing in the moment but then worsen reflux minutes later.14PubMed Central. Risk factors for gastroesophageal reflux disease: the role of diet Other common triggers include chocolate, alcohol, coffee, citrus, and tomato-based sauces. Trigger profiles vary widely from person to person, so keeping a rough mental log of what precedes your worst episodes is more useful than following a generic avoidance list.
Stress and How You Perceive Reflux
Stress doesn’t necessarily make your stomach produce more acid, but it does change how your esophagus responds to the acid that’s already there. A study exposing reflux patients to an auditory stress condition while infusing acid into the esophagus found that stress significantly shortened the time before patients first felt symptoms and increased their intensity ratings.15PubMed. The effect of auditory stress on perception of intraesophageal acid in patients with gastroesophageal reflux disease In other words, the same amount of acid felt worse under stress. This helps explain why reflux can seem to flare during anxious periods even when you haven’t changed your diet. It also means that relaxation strategies, including the diaphragmatic breathing mentioned earlier, may work through two pathways at once: physically tightening the sphincter and neurologically dampening how strongly you perceive the burn.
Reflux During Pregnancy
Heartburn is extremely common during pregnancy, and it’s driven by a mechanism that can’t be dieted away. Progesterone, which rises throughout pregnancy, directly relaxes the lower esophageal sphincter.16PubMed. The management of heartburn in pregnancy As the uterus expands, upward pressure on the stomach adds to the problem. Most of the home remedies discussed here, sleeping on the left side, raising the head of the bed, chewing gum, and alginate formulations, are considered safe during pregnancy. Baking soda is generally avoided because of sodium load. H2 blockers may be appropriate but should be discussed with a provider. The good news is that for most people pregnancy-related reflux resolves after delivery as hormone levels normalize.
Weight and Long-Term Reflux Risk
Carrying extra weight around the midsection directly increases pressure inside the abdomen, which pushes against the stomach and promotes reflux. Central obesity also disrupts the gastroesophageal junction and can contribute to the formation of a hiatal hernia over time.17PubMed. Gastroesophageal Reflux Disease in Obese Patients Higher waist-to-hip ratios are associated with greater esophageal acid exposure and poorer acid clearance.18Visceral Medicine. Excess Body Weight and Gastroesophageal Reflux Disease The encouraging part is that this relationship works in reverse: a study tracking reflux and body composition over a year found that reductions in visceral fat correlated significantly with reduced acid exposure in the esophagus.19PubMed. Gastro-oesophageal reflux in obese subjects: influence of overweight, weight loss and chronic gastric balloon distension You don’t need to reach an ideal weight to see improvement; even modest fat loss around the waist can ease the mechanical pressure driving reflux.
When Reflux Symptoms Need Medical Attention
Most occasional heartburn is annoying but harmless. However, acid reflux is the most common cause of chest pain that gets mistaken for a heart problem. Studies suggest that reflux-related chest pain may be present in up to 60 percent of patients evaluated for non-cardiac chest pain, and among those patients, more than half report heartburn or acid regurgitation.20Elsevier / The Clinics. Noncardiac chest pain The flip side of that statistic is important: chest pain should always be taken seriously until a cardiac cause has been ruled out. If you experience sudden, severe chest pressure, pain radiating to the arm or jaw, or shortness of breath, treat it as a potential cardiac event and seek emergency care.
Beyond chest pain, you should also see a doctor if you have reflux symptoms more than twice a week for several weeks, difficulty swallowing, unintentional weight loss, or vomiting blood. Persistent reflux can damage the esophageal lining over time, and a small percentage of people with chronic, untreated reflux develop changes in the esophageal tissue that require monitoring. The home strategies covered here are excellent for occasional flare-ups and as complementary habits alongside medical treatment, but they aren’t a substitute for evaluation when symptoms become frequent or severe.
Licorice, Herbal Remedies, and Safety Caveats
Licorice root shows up in many natural reflux remedy lists, and deglycyrrhizinated licorice (DGL) supplements are widely sold for digestive complaints. The reason the “deglycyrrhizinated” part matters is that the active compound in whole licorice, glycyrrhetic acid, inhibits an enzyme involved in cortisol regulation, leading to an aldosterone-like effect that drives sodium retention and potassium depletion.21PubMed Central. Licorice abuse: time to send a warning message In practice, that means regular consumption of whole licorice or licorice-containing supplements can cause high blood pressure, swelling, and in serious cases, dangerous drops in potassium. DGL formulations have this compound removed, which makes them safer, but evidence for their effectiveness against reflux is mostly anecdotal. If you’re drawn to herbal options, ginger has stronger research behind it for the specific issue of gastric emptying. Whichever you try, avoid combining multiple herbal supplements without checking for interactions, particularly if you take blood pressure medication or diuretics.