The most effective treatment for GERD depends on how frequent and severe your symptoms are. For occasional flare-ups, an over-the-counter antacid can neutralize stomach acid within minutes. For symptoms that show up two or more times a week, you’ll likely need a stronger acid-suppressing medication, either an H2 blocker or a proton pump inhibitor (PPI). Most people find relief with one of these three categories, sometimes combined with simple changes to eating and sleeping habits.
Antacids for Quick, Short-Term Relief
Antacids are the simplest option and the right starting point if your symptoms are mild or infrequent. Their active ingredients, typically calcium carbonate, magnesium hydroxide, or aluminum hydroxide, directly neutralize the acid already sitting in your stomach. They work within minutes, especially in liquid form, but the relief only lasts a few hours. That makes them useful for occasional heartburn after a heavy meal, not for controlling GERD day after day.
If you find yourself reaching for antacids more than twice a week, that’s a sign you need something that reduces acid production rather than just neutralizing it after the fact.
H2 Blockers: A Step Up
H2 blockers reduce the amount of acid your stomach makes in the first place. Famotidine is the most widely available option over the counter. For GERD, the typical approach is 20 mg twice a day, morning and bedtime, for up to six weeks. These medications don’t kick in as fast as antacids, but they suppress acid for significantly longer.
H2 blockers work well for people with milder GERD, particularly those who don’t have visible damage to the esophagus (a condition called non-erosive reflux disease). Clinical guidelines from the American College of Gastroenterology recognize stepping down from a PPI to an H2 blocker as a reasonable long-term strategy once symptoms are under control.
Proton Pump Inhibitors for Persistent Symptoms
PPIs are the strongest widely available acid suppressors and the standard treatment when GERD symptoms are frequent or when acid has already irritated or damaged the esophageal lining. Common options include omeprazole, esomeprazole, and lansoprazole, all available over the counter at lower doses and by prescription at higher ones.
These medications block the enzyme that pumps acid into your stomach. They take a day or two to reach full effect, so they’re not designed for on-the-spot relief. You take them once daily, ideally 30 to 60 minutes before your first meal, because they work best when acid-producing cells are about to activate. A typical course runs 4 to 8 weeks.
Among PPIs, esomeprazole at 40 mg has shown the highest healing rates for erosive esophagitis. In head-to-head comparisons, it healed esophageal damage about 46% more effectively than omeprazole 20 mg at four weeks, and 58% more effectively at eight weeks. It also outperformed lansoprazole 30 mg at both time points. For most people with uncomplicated GERD, though, any PPI at a standard dose will do the job.
Once your symptoms resolve, the goal is to find the lowest effective dose rather than staying on the original strength indefinitely. Some people with non-erosive reflux do well switching to on-demand use, taking a PPI only when symptoms return. One trial found that 83% of these patients stayed in remission at six months using omeprazole only as needed. For people with erosive disease, on-demand use doesn’t work as reliably, and continuous therapy is usually necessary.
Newer Acid Blockers
A newer class of medications called potassium-competitive acid blockers (PCABs) has entered the picture. Vonoprazan is the most studied. These drugs target the same acid pumps as PPIs but work differently: they block both active and inactive pumps, which gives them a faster onset and longer-lasting acid suppression compared to traditional PPIs. Your doctor may consider these if standard PPIs haven’t fully controlled your symptoms, particularly for more severe esophageal inflammation.
Alginate-Based Products
Alginate products (sold under brand names like Gaviscon Advance) take a different approach entirely. Instead of reducing acid, they form a gel-like barrier, sometimes called a “raft,” that floats on top of your stomach contents and physically blocks acid from splashing up into your esophagus. A systematic review and meta-analysis confirmed that alginate therapy is effective for non-erosive reflux disease. These products can be particularly helpful for symptoms that hit when you lie down at night, since that’s when acid is most likely to creep upward.
Long-Term PPI Safety Concerns
If you need a PPI for months or years, it’s worth understanding the trade-offs. Long-term use has been linked to modestly increased risks for bone fractures, kidney problems, and vitamin B12 deficiency.
For bone health, a large meta-analysis found that PPI users had a 22% higher risk of hip fracture and a 49% higher risk of spine fracture compared to nonusers. That sounds alarming, but the absolute risk remains small, and PPI use hasn’t been correlated with actual bone mineral density loss. The mechanism may involve reduced calcium absorption in a less acidic stomach.
For kidneys, a separate meta-analysis found PPI use increased the risk of both acute kidney injury and chronic kidney disease, with roughly 1 in 20 to 27 long-term users experiencing a kidney-related problem they wouldn’t have had otherwise. Periodic kidney monitoring is a reasonable precaution if you’re on a PPI for the long haul.
None of this means you should avoid PPIs if you genuinely need them. Uncontrolled GERD carries its own risks, including esophageal damage that can progress over time. The key is using the lowest effective dose and reassessing periodically whether you still need it.
GERD Treatment During Pregnancy
Heartburn is extremely common in pregnancy, and the good news is that all three major medication classes are considered safe at recommended doses. Antacids are the first choice. If those aren’t enough, famotidine is a safe next step. PPIs, particularly omeprazole and esomeprazole, have been widely studied in pregnant women with no increased risk to the baby. All of these are also acceptable during breastfeeding. PPIs produce very low levels in breast milk and are largely broken down by the infant’s own stomach acid before they could have any effect.
Lifestyle Changes That Actually Help
Medications work best alongside a few practical adjustments. Losing even a small amount of weight can improve GERD symptoms if you’re carrying extra pounds, because abdominal fat increases pressure on the stomach and pushes acid upward. Elevating the head of your bed by 6 to 8 inches (using blocks under the legs, not extra pillows) helps gravity keep acid in your stomach overnight. Eating your last meal at least 2 to 3 hours before lying down gives your stomach time to empty. Common trigger foods include coffee, alcohol, chocolate, citrus, tomato-based foods, and anything high in fat, though triggers vary from person to person.
Signs You Need More Than Self-Treatment
Most GERD responds well to the options above, but certain symptoms signal something that needs medical evaluation rather than another trip to the pharmacy. These include difficulty swallowing or pain when swallowing, persistent unexplained vomiting, unintentional weight loss, and signs of internal bleeding like iron deficiency anemia or dark stools. These are considered alarm symptoms that typically warrant an endoscopy to rule out complications like strictures, Barrett’s esophagus, or other conditions that mimic GERD.