The hallmark signs of GERD are heartburn (a burning sensation behind your breastbone) and regurgitation (a feeling of fluid or food coming back up into your chest or throat). If you experience either of these at least twice a week for several weeks, that pattern points toward GERD rather than occasional acid reflux. Most people are diagnosed based on their symptom history alone, without any special testing.
The Two Core Symptoms
GERD produces two signature symptoms that separate it from a random bout of heartburn after a heavy meal. The first is a burning feeling in the center of your chest, behind the breastbone, that seems to move upward from the stomach. The second is regurgitation: a sour or bitter taste in the back of your throat, sometimes with the sensation of liquid rising into your mouth. You might get one or both.
What makes this GERD and not just “acid reflux” is how often it happens. Everyone gets occasional heartburn. GERD is the diagnosis when reflux becomes chronic, meaning it shows up at least twice a week over a period of several weeks. At that point, stomach acid is contacting your esophagus frequently enough to potentially cause damage.
Symptoms You Might Not Connect to Reflux
Not everyone with GERD gets classic heartburn. A related condition called laryngopharyngeal reflux (sometimes called “silent reflux”) happens when stomach acid travels past the esophagus all the way into the throat. Because it skips the typical burning-chest sensation, many people don’t realize reflux is the cause. Instead, they notice throat and voice symptoms that seem unrelated:
- Hoarseness or a lowered voice, especially in the morning
- Chronic throat clearing or a persistent cough
- A lump sensation in the throat, as if something is stuck
- Excessive mucus or postnasal drip
- Chronic sore throat or recurring laryngitis
- Worsening asthma or new wheezing
If you’ve been cycling through treatments for allergies, sinus problems, or a lingering cough and nothing helps, silent reflux is worth considering. GERD more often irritates the lower esophagus, while silent reflux reaches higher up, which is why the symptom profiles look so different.
A Quick Self-Assessment
Doctors sometimes use a validated scoring tool called the GerdQ questionnaire to gauge how likely GERD is. You can walk through it yourself. Think about the past seven days and score each item:
- Burning behind the breastbone: 0 days = 0 points, 1 day = 1, 2 to 3 days = 2, 4 to 7 days = 3
- Stomach contents rising to throat or mouth: same scoring as above
- Pain in the center of the upper stomach: 0 days = 3 points, 1 day = 2, 2 to 3 days = 1, 4 to 7 days = 0
- Nausea: same reverse scoring as stomach pain
- Trouble sleeping because of heartburn or regurgitation: 0 days = 0, 1 day = 1, 2 to 3 days = 2, 4 to 7 days = 3
- Needing over-the-counter antacids beyond any prescribed medication: 0 days = 0, 1 day = 1, 2 to 3 days = 2, 4 to 7 days = 3
Add up your total. A score of 0 to 2 means GERD is very unlikely. A score of 3 to 7 puts you at roughly 50 percent likelihood. Once you hit 8 to 10, the likelihood rises to about 79 percent. Scores of 11 to 18 indicate an 89 percent probability. This isn’t a diagnosis on its own, but a score of 8 or higher is a strong signal to bring up with your doctor.
What Happens at Night
GERD often gets worse when you lie down, because gravity is no longer helping keep stomach acid where it belongs. During sleep, your body’s normal protective reflexes (swallowing, saliva production) slow down significantly. That means acid that reaches your esophagus at night tends to stay there longer and do more damage. About 14 percent of the general U.S. population reports nighttime reflux symptoms.
If you wake up with a sour taste, a burning throat, or a choking sensation, or if your sleep quality has tanked for reasons you can’t explain, nighttime reflux could be the culprit. Poor sleep from nocturnal GERD creates a cycle: sleep deprivation itself can increase sensitivity to acid in the esophagus, making symptoms feel worse the next day.
Warning Signs That Need Prompt Attention
Most GERD is uncomfortable but manageable. However, certain symptoms signal something more serious and warrant a medical visit sooner rather than later. These include food getting stuck when you swallow, difficulty swallowing that gets progressively worse, vomiting frequently, or losing weight without trying. These “alarm” symptoms can indicate that chronic acid exposure has narrowed the esophagus or caused other tissue changes that need evaluation.
How Doctors Confirm the Diagnosis
For most people, a doctor will diagnose GERD based on your symptom description and how you respond to an initial trial of acid-reducing medication. If your symptoms improve, that response itself supports the diagnosis. No scope, no lab work needed.
Testing comes into play when symptoms don’t respond to treatment, when the diagnosis is unclear, or when alarm symptoms are present. The two most common tests are an upper endoscopy, where a thin camera is passed down your throat to look at the esophageal lining directly, and an esophageal pH test. The pH test measures how often stomach acid enters your esophagus and how long it stays there, typically over a 24- to 96-hour window. In one version, a small wireless sensor is clipped to the esophageal lining during an endoscopy and transmits data for 48 to 96 hours before detaching on its own. These tests can reveal erosions, narrowing, or precancerous tissue changes that wouldn’t be obvious from symptoms alone.
Patterns That Point Toward GERD
Beyond the formal questionnaire, certain everyday patterns are worth paying attention to. GERD symptoms typically flare after meals, particularly large or fatty ones. They tend to worsen when you bend over or lie down. Tight clothing around the waist can trigger episodes. Many people notice that specific foods (citrus, tomato-based dishes, chocolate, coffee, alcohol, spicy foods) reliably set things off, though triggers vary from person to person.
If you find yourself reaching for antacids more than a couple of times a week, or if you’ve started sleeping propped up on pillows because lying flat is uncomfortable, those behavioral adaptations are themselves clues. You’re already treating GERD before you’ve named it. Tracking your symptoms for a week or two, noting when they occur and what seems to trigger them, gives you a much clearer picture to bring to a medical appointment than a vague description of “stomach problems.”