GERD & Acid Reflux
Understanding and managing gastroesophageal reflux disease effectively
Last reviewed: February 2026
📊 GERD at a Glance
20%
Adults affected worldwide
2x Weekly
Symptoms define GERD
Treatable
Lifestyle + medications help
Chronic
Requires ongoing management
🔬 What is GERD?
Gastroesophageal Reflux Disease (GERD) is a chronic digestive condition where stomach acid frequently flows back into the esophagus—the tube connecting your mouth to your stomach. This backwash (acid reflux) can irritate and damage the esophageal lining.
While occasional acid reflux is common and usually harmless, GERD is diagnosed when reflux occurs frequently (typically twice a week or more) and causes troublesome symptoms or complications.
The Mechanism
At the bottom of the esophagus is a ring of muscle called the lower esophageal sphincter (LES). Normally, the LES:
- Opens to allow food and liquid into the stomach
- Closes tightly to prevent stomach contents from flowing back up
In GERD, the LES is weakened or relaxes inappropriately, allowing acidic stomach contents to reflux into the esophagus. Unlike the stomach, the esophagus lacks protective mucus, making it vulnerable to acid damage.
GERD is different from occasional heartburn. If you experience heartburn twice weekly or more, or if it interferes with your daily life, you may have GERD.
⚡ Causes and Risk Factors
What Causes the LES to Weaken?
- Hiatal hernia: Part of stomach pushes through diaphragm
- Obesity: Increased abdominal pressure
- Pregnancy: Hormonal changes and physical pressure
- Connective tissue disorders: Scleroderma
- Delayed stomach emptying: Gastroparesis
Factors That Worsen Reflux
| Category | Factors |
|---|---|
| Foods | Fatty/fried foods, spicy foods, citrus, tomatoes, chocolate, mint, garlic, onions |
| Beverages | Alcohol, coffee, tea, carbonated drinks |
| Lifestyle | Smoking, eating late at night, large meals, lying down after eating |
| Medications | Aspirin, NSAIDs, certain blood pressure medications, sedatives |
| Other | Tight clothing, stress, obesity |
🔍 Symptoms of GERD
Common Symptoms
- Heartburn: Burning sensation in chest, often after eating, worse when lying down
- Regurgitation: Sour or bitter-tasting acid backing up into throat or mouth
- Difficulty swallowing (dysphagia): Sensation of food stuck in throat
- Chest pain: Can mimic heart pain
- Sensation of lump in throat (globus)
Less Common (Atypical) Symptoms
- Chronic cough, especially at night
- Laryngitis and hoarseness
- New or worsening asthma
- Disrupted sleep
- Dental erosion
- Bad breath
- Excessive saliva (water brash)
Chest pain can indicate a heart attack. Seek emergency care if you have chest pain with shortness of breath, jaw or arm pain, or if you're at risk for heart disease. Don't assume chest pain is just heartburn.
⚠️ Complications of Untreated GERD
Long-term, untreated GERD can lead to serious complications:
- Esophagitis: Inflammation of esophageal lining, causing pain and difficulty swallowing
- Esophageal stricture: Scar tissue narrows the esophagus, making swallowing difficult
- Barrett's esophagus: Precancerous changes to esophageal cells (see our Barrett's guide)
- Esophageal ulcers: Open sores that can bleed and cause pain
- Respiratory problems: Aspiration pneumonia, worsening asthma
- Esophageal adenocarcinoma: Cancer (rare, but risk increases with Barrett's)
🩺 Diagnosis
GERD is often diagnosed based on symptoms and response to treatment. Further testing may be needed if:
- Symptoms don't improve with treatment
- Difficulty swallowing is present
- Symptoms are atypical
- Long-term medication is needed
Diagnostic Tests
| Test | Purpose |
|---|---|
| Upper Endoscopy (EGD) | Visualize esophagus, take biopsies, check for Barrett's or other damage |
| Ambulatory pH Monitoring | Measures acid exposure over 24-48 hours; gold standard for diagnosis |
| Esophageal Manometry | Measures esophageal muscle function and LES pressure |
| Barium Swallow | X-ray imaging to detect strictures, hiatal hernia |
💊 Treatment Options
Lifestyle Modifications (First Line)
- Lose weight if overweight
- Elevate head of bed 6-8 inches
- Don't eat 2-3 hours before lying down
- Avoid trigger foods and beverages
- Eat smaller, more frequent meals
- Quit smoking
- Avoid tight-fitting clothing
- Don't lie down immediately after eating
Medications
| Type | Examples | How They Work |
|---|---|---|
| Antacids | Tums, Rolaids, Mylanta | Neutralize existing stomach acid; quick but short-term relief |
| H2 Blockers | Famotidine (Pepcid), Ranitidine | Reduce acid production; work within 1-3 hours |
| PPIs | Omeprazole, Pantoprazole, Esomeprazole | Strongly suppress acid production; most effective but take days for full effect |
| Prokinetics | Metoclopramide | Speed stomach emptying and strengthen LES |
PPIs are highly effective but should be used at the lowest effective dose for the shortest necessary time. Long-term use may be associated with risks including nutrient deficiencies and infections. Discuss with your doctor.
Surgical Options
Surgery may be considered when medications fail or aren't tolerable:
- Fundoplication (Nissen): Wrapping top of stomach around LES to strengthen it
- LINX device: Magnetic bead ring placed around LES junction
- Transoral incisionless fundoplication (TIF): Endoscopic procedure creating valve
🥗 Dietary Management
Foods to Avoid or Limit
- Fatty and fried foods
- Spicy foods
- Citrus fruits and juices
- Tomatoes and tomato-based products
- Chocolate
- Peppermint and spearmint
- Garlic and onions (for some people)
- Coffee and caffeinated beverages
- Alcohol
- Carbonated drinks
Foods Generally Well-Tolerated
- Lean proteins (chicken, fish, turkey)
- Vegetables (except tomatoes, onions for some)
- Non-citrus fruits (bananas, melons, apples)
- Whole grains (oatmeal, brown rice, whole wheat bread)
- Low-fat dairy
- Ginger
- Healthy fats in moderation (olive oil, avocado)
Keep a food diary to identify your personal triggers. GERD triggers vary significantly between individuals—what bothers one person may be fine for another.
🏠 Living with GERD
Daily Management Tips
- Eat breakfast within an hour of waking
- Have your largest meal at lunch, not dinner
- Take a short walk after meals
- Wear loose, comfortable clothing
- Practice stress reduction techniques
- Keep antacids available for breakthrough symptoms
- Sleep on your left side (may reduce reflux)
- Chew gum after meals (increases saliva)
When Traveling
- Bring your medications and extra supplies
- Request a room pillow or use a travel wedge
- Be cautious with unfamiliar cuisine
- Avoid eating close to sleep time despite schedule changes
❓ Frequently Asked Questions
Can GERD be cured?
GERD is typically a chronic condition that requires ongoing management rather than a one-time cure. However, many people achieve excellent symptom control through lifestyle changes and medications. Some may need long-term medication, while others can manage with lifestyle modifications alone. Surgery can provide long-term relief for some patients.
Is it safe to take PPIs long-term?
While PPIs are generally safe and effective, long-term use (especially at high doses) has been associated with potential risks including vitamin B12 deficiency, magnesium deficiency, increased fracture risk, and C. difficile infection. However, for many patients, the benefits outweigh the risks. Discuss with your doctor about using the lowest effective dose and whether periodic attempts to reduce or stop are appropriate.
Can GERD cause cancer?
Long-standing GERD can lead to Barrett's esophagus, a condition where the esophageal lining changes. Barrett's slightly increases the risk of esophageal adenocarcinoma. However, most people with GERD never develop Barrett's, and most with Barrett's never develop cancer. Regular monitoring and treatment significantly reduce this risk.
Why is GERD worse at night?
Several factors make nighttime reflux worse: lying flat allows gravity to work against you, saliva production decreases during sleep (less natural acid neutralization), and the LES may relax more during sleep. This is why elevating the head of the bed and not eating before sleep are so important.
Can stress cause GERD?
While stress doesn't directly cause GERD, it can worsen symptoms. Stress may increase acid production, slow digestion, and heighten your perception of symptoms. Many people notice more severe reflux during stressful periods. Stress management is an important part of GERD management.