Can Coffee Cause Acid Reflux Even If It Never Used To?
If you have recently noticed heartburn or reflux after drinking coffee — even though coffee never bothered you before — you are not alone.
Many adults develop new reflux symptoms over time, and coffee is one of the most commonly reported triggers for acid reflux and GERD symptoms (American College of Gastroenterology, 2021).
At Tampa Bay Reflux Center, patients are evaluated for chronic reflux symptoms, GERD, hiatal hernias, and reflux conditions that may worsen gradually over time.
Why Can Coffee Trigger Acid Reflux?
Coffee may contribute to reflux symptoms in several ways.
Research suggests coffee can:
Relax the lower esophageal sphincter (LES)
Increase stomach acid production
Irritate the esophagus in sensitive individuals (Kim et al., 2014)
The lower esophageal sphincter is the muscle that normally helps keep stomach acid from flowing backward into the esophagus.
When this muscle weakens or relaxes inappropriately, reflux symptoms may occur.
Why Would Coffee Suddenly Start Causing Reflux?
There are several reasons reflux symptoms can appear later in life, even if coffee was never a problem before.
Age-Related Changes
As people age, the lower esophageal sphincter may weaken, making reflux more likely (Mayo Clinic, 2024).
Increased Sensitivity
The esophagus can become more sensitive to acid exposure over time, meaning triggers that were once tolerated may suddenly cause symptoms.
Hiatal Hernia
Hiatal hernias become more common with age and may worsen reflux symptoms by affecting the normal pressure barrier between the stomach and esophagus (National Institute of Diabetes and Digestive and Kidney Diseases [NIDDK], 2023).
Lifestyle Changes
Stress, weight gain, late-night eating, medications, and dietary changes may all contribute to worsening reflux symptoms.
Common Symptoms of GERD
Symptoms may include:
Heartburn
Regurgitation
Chest discomfort
Chronic throat clearing
Sour taste in the mouth
Chronic cough
Hoarseness
Some patients may also experience “silent reflux,” where throat symptoms occur without classic heartburn.
Does This Mean You Have to Quit Coffee?
Not necessarily.
Some patients find relief by:
Reducing coffee intake
Switching to low-acid coffee
Avoiding coffee on an empty stomach
Limiting caffeine
Avoiding late-day coffee consumption
However, if reflux symptoms continue despite lifestyle adjustments, further evaluation may be needed.
When Should You See a Reflux Specialist?
You should consider evaluation if:
Symptoms occur multiple times weekly
Reflux disrupts sleep
Over-the-counter medications are no longer helping
You experience chronic throat symptoms
Symptoms are progressively worsening
At Tampa Bay Reflux Center, patients are evaluated for GERD and reflux-related conditions using advanced diagnostic testing and personalized treatment planning.
The Bottom Line
Coffee can sometimes trigger acid reflux — even if it never caused problems before.
Changes in the lower esophageal sphincter, increased sensitivity, hiatal hernias, and lifestyle factors may all contribute to new reflux symptoms over time.
If symptoms persist, worsen, or interfere with daily life, evaluation by a reflux specialist can help determine the underlying cause and identify appropriate treatment options.
Works Cited
American College of Gastroenterology. (2021). Gastroesophageal reflux disease guidelines. https://gi.org/topics/acid-reflux/
Kim, J., Oh, S. W., Myung, S. K., Kwon, H., Lee, C., Yun, J. M., & Lee, H. G. (2014). Association between coffee intake and gastroesophageal reflux disease: A meta-analysis. Diseases of the Esophagus, 27(4), 311–317. https://doi.org/10.1111/dote.12149
Mayo Clinic. (2024). GERD symptoms and causes. https://www.mayoclinic.org/diseases-conditions/gerd/symptoms-causes/syc-20361940
National Institute of Diabetes and Digestive and Kidney Diseases. (2023). Definition and facts for GER and GERD. https://www.niddk.nih.gov/health-information/digestive-diseases/acid-reflux-ger-gerd-adults/definition-facts