You can stop most acid reflux episodes with a combination of eating changes, sleep adjustments, and, when needed, over-the-counter medications. The key is reducing the amount of stomach acid that escapes upward into your esophagus, either by producing less acid, keeping it in place physically, or strengthening the muscular valve that separates your stomach from your esophagus. Most people see significant improvement from lifestyle changes alone.
Why Acid Escapes Your Stomach
At the bottom of your esophagus sits a ring of muscle that opens to let food into your stomach, then closes to keep acid from splashing back up. When that valve relaxes at the wrong time or doesn’t close tightly enough, acid rises into your esophagus, causing the burning sensation you know as heartburn or acid reflux.
Certain foods, body positions, and physical conditions make that valve weaker or force it open. Understanding these triggers gives you specific targets to work with, not just vague advice to “eat better.”
Foods and Drinks That Make It Worse
Fatty meals are one of the most reliable reflux triggers. When fat reaches your small intestine, your gut releases hormones that cause the esophageal valve to relax, dropping the pressure that normally keeps it shut. This means fried foods, creamy sauces, and high-fat meats aren’t just heavy on your stomach. They actively loosen the gate that holds acid down.
Other common triggers include:
- Citrus and tomato-based foods, which increase the acidity of stomach contents
- Chocolate, which contains compounds that relax the esophageal valve
- Caffeine and alcohol, both of which reduce valve pressure
- Carbonated drinks, which increase pressure inside the stomach through gas buildup
- Spicy foods, which irritate an already inflamed esophageal lining
You don’t necessarily need to eliminate all of these permanently. Start by cutting out the most obvious offenders for two to three weeks, then reintroduce them one at a time to identify your personal triggers. Many people find they can tolerate small amounts of some trigger foods if they avoid combining them or eating them late at night.
Stop Eating Three Hours Before Bed
Lying down with a full stomach is one of the fastest routes to nighttime reflux. When you’re upright, gravity helps keep acid in your stomach. When you recline, that advantage disappears, and a recently eaten meal means more acid is being produced right when your body is in the worst position to contain it.
The standard recommendation from gastroenterologists is to finish your last meal at least three hours before you lie down. This gives your stomach enough time to empty most of its contents. If you eat dinner at 7 p.m. and go to bed at 10, you’re in good shape. If you’re a late-night snacker, this single change can make a noticeable difference within days.
How You Sleep Matters
Elevating the head of your bed by 3 to 6 inches reduces nighttime reflux by using gravity to your advantage. This doesn’t mean stacking pillows, which tends to bend you at the waist and can actually make things worse. Instead, place blocks or risers under the legs at the head of your bed, or use a foam wedge pillow designed for this purpose. The goal is a gentle slope from your waist to your head.
Sleeping on your left side also helps. When you lie on your left, your esophagus and its valve sit higher than your stomach, allowing any acid that does escape to drain back down more quickly. Sleeping on your right side does the opposite, positioning the valve below the level of stomach acid and making reflux more likely. If you’re a right-side sleeper and deal with nighttime symptoms, switching sides is worth trying.
Losing Weight Reduces Pressure on the Valve
Excess weight, particularly around the midsection, increases the pressure inside your abdomen. That pressure pushes against your stomach and forces its contents upward through the esophageal valve. This is why reflux often worsens with weight gain and improves with weight loss, even modest amounts.
You don’t need to reach an ideal BMI to see results. Losing 5 to 10 pounds can reduce the frequency and severity of symptoms for many people. Tight-fitting clothing around your waist creates a similar effect on a smaller scale, so switching to looser waistbands can offer some immediate relief.
Other Habits That Help
Eating smaller, more frequent meals instead of large ones reduces the volume of food and acid in your stomach at any given time. Large meals stretch the stomach, which puts pressure on the valve and makes it more likely to leak.
Avoid lying down or bending over right after eating. A short walk after meals can help speed digestion and keep you upright. Smoking weakens the esophageal valve over time and increases acid production, so quitting addresses reflux from two directions at once.
Over-the-Counter Medications
When lifestyle changes aren’t enough on their own, two main types of medication can help. They work differently, and knowing the distinction helps you pick the right one for your situation.
H2 Blockers
Medications like famotidine (sold as Pepcid) reduce acid production by blocking one of the signals your stomach uses to make acid. They typically start working within 30 to 60 minutes and last several hours. H2 blockers are a good option for occasional reflux or for taking before a meal you know will be a trigger.
Proton Pump Inhibitors
PPIs like omeprazole (Prilosec) and lansoprazole (Prevacid) shut down acid production more completely by disabling the tiny pumps in your stomach lining that release acid. They take longer to reach full effect, often one to three days, but provide stronger and longer-lasting relief. The standard approach for persistent reflux is an 8-week course of a PPI taken once daily before meals.
PPIs are effective, but long-term use (years rather than weeks) has been associated with some side effects, including vitamin B12 deficiency, an increased risk of certain gut infections, and a small increase in osteoporotic fracture risk. For most people using them for a defined period, these risks are minimal. If you’ve been taking a PPI for months without reassessing, it’s worth checking whether you still need it.
Alginate-Based Products
Products containing alginates (like Gaviscon) work differently from acid reducers. When alginates mix with stomach acid, they form a gel-like raft that floats on top of your stomach contents, creating a physical barrier that blocks acid from reaching your esophagus. They work quickly and are especially useful for reflux that happens after meals or at bedtime.
When Reflux Doesn’t Respond to These Steps
If you’ve tried lifestyle changes and an 8-week course of medication without meaningful improvement, further evaluation may be needed. Certain symptoms also warrant prompt attention: difficulty swallowing, unintentional weight loss, vomiting, signs of bleeding (such as dark stools), anemia, or chest pain. These are considered alarm symptoms that typically lead to an endoscopy, a procedure where a thin camera examines the lining of your esophagus and stomach.
Persistent reflux that damages the esophageal lining over time can lead to a condition called Barrett’s esophagus, where the tissue changes in response to chronic acid exposure. This is one reason ongoing, uncontrolled reflux is worth addressing rather than just tolerating.
Surgical Options for Severe Cases
For people with confirmed, severe reflux who can’t manage symptoms with medication, two surgical approaches can reinforce the esophageal valve.
The Nissen fundoplication wraps the top of your stomach around the lower esophagus, tightening the valve. It has strong long-term results: 92.4% of patients report heartburn relief at 10 years, and 80% still report relief after 20 years. The trade-off is that some patients develop new issues like bloating, excess gas, and difficulty belching or vomiting. Difficulty swallowing occurs in up to about 17% of patients, and nearly 20% experience bloating.
A newer option called magnetic sphincter augmentation (sold as the LINX device) places a small ring of magnetic beads around the esophageal valve. The magnets are strong enough to keep the valve closed but weak enough to open when you swallow food. About 85% of patients stop needing daily acid medication within five years. The most common side effect is temporary difficulty swallowing, which affects a high percentage of patients in the first weeks after surgery but persists long-term in roughly 19%. Between 1% and 7% of patients ultimately need the device removed.
Both procedures are effective, but neither is without trade-offs. They’re typically reserved for people who have exhausted other options and whose reflux has been confirmed through testing rather than symptoms alone.