If you’ve experienced a sour taste in your mouth, lots of gas, heartburn, or feeling like you just threw up a little in your mouth, you may have attributed it to acid reflux or gastroesophageal reflux disease (GERD).
And that’s a fair guess. GERD, a more chronic condition that can result from acid reflux happening repeatedly over time, is quite common: Data shows 783.95 million people around the globe had GERD in 2019.
But despite how many of us have it — and how well we know some of its symptoms — acid reflux has some side effects that are lesser known, too, according to gastroenterologists. Here’s what else to look for:
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1. Ear pressure
Fullness in the ears may be more likely after you’ve been lying down, and here’s why: “Reflux material from the esophagus pools in the uppermost part of the throat where tubes connect the nasopharynx with each ear,” said Dr. Mark Tanchel, a board-certified gastroenterologist and partner at Gastroenterology Associates of New Jersey.
“Reflux-induced inflammation increases pressure in these tubes, which can result in a feeling of fullness or blockage in the ears.” He added ear pain, ringing in the ears, and hearing loss are other related symptoms.
2. Difficulty breathing
Similarly, acid can get into and mess with your airways, too. “The proximity of the esophagus and respiratory system is the reason acid reflux can sometimes cause difficulty breathing,” said Dr. Ali A. Khan, a board-certified gastroenterologist with Gastro Health in Fairfax, Virginia.
He explained acid can cause infection or inflammation, which results in a shortness of breath. Another factor to note: Acid reflux is prevalent in folks who have asthma, according to Khan.
They may experience a chronic cough, chest pain, and trouble breathing. The key to knowing if acid reflux is triggering your asthma is taking antacids, such as Nexium and Prilosec, Khan said, and seeing if that lessens your symptoms.
3. Tooth and mouth problems
More specifically, sensitivity and corrosion of the teeth, sour taste, and bad breath, according to Tanchel. He explained these issues can be a result of acid directly contacting the oral cavity. Acid can be a strong, overpowering force.
“Saliva protects the teeth by buffering acid and providing the materials necessary for tooth remineralization,” he said. “Gastric acid has the ability to overcome these defenses and affects both pediatric and adult patients.
4. Chest pain
First, it’s important to note that chest pain has a wide variety of causes, according to Khan. “We always want to rule out the scary, life-threatening conditions first, like heart attacks,” he said, noting lung problems and inflammation of the chest wall should be addressed next.
“When these are ruled out, we consider if the chest pain is a manifestation of uncontrolled acid reflux, and this may warrant further investigation with an upper endoscopy,” he continued. GERD does account for chest pain fairly often, in fact.
Around 50 to 60% of noncardiac chest pain can be attributed to the condition. How does acid reflux lead to chest pain, though? Like the other side effects, when that acid travels up your esophagus, it can cause chest pain (that may also radiate to the neck, throat, and jaw), according to the American Heart Association.
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