What tests help diagnose gastroesophageal reflux disease (GERD)?

ANSWER

If your doctor isn't sure you have GERD, they may do a few tests, including:

X-ray
Endoscopy. This looks at your esophagus with a small flexible tube with a light and camera on it.
Ambulatory acid (pH) test. This keeps track of the amount of acid in your esophagus.
Esophageal impedance test. It measures how things move through your esophagus.

Reviewed by Sabrina Felson on June 25, 2019

SOURCES:

American Academy of Allergy, Asthma & Immunology: "Gastroesophageal Reflux Disease (GERD)."

American Academy of Family Physicians: "Heartburn," "Antacids and Acid Reducers: OTC Relief for Heartburn and Acid Reflux."

Annals of Thoracic Medicine: "Pulmonary manifestations of gastroesophageal reflux disease."

Asthma and Allergy Foundation of America: "Asthma and Gastroesophageal Reflux Disease."

Cleveland Clinic: "GERD and Asthma."

Gastroenterology & Hepatology: "Is There a Relationship Between GERD and Asthma?"

Mayo Clinic: "Is there a connection between asthma and acid reflux?"

Reviewed by Sabrina Felson on June 25, 2019

SOURCES:

American Academy of Allergy, Asthma & Immunology: "Gastroesophageal Reflux Disease (GERD)."

American Academy of Family Physicians: "Heartburn," "Antacids and Acid Reducers: OTC Relief for Heartburn and Acid Reflux."

Annals of Thoracic Medicine: "Pulmonary manifestations of gastroesophageal reflux disease."

Asthma and Allergy Foundation of America: "Asthma and Gastroesophageal Reflux Disease."

Cleveland Clinic: "GERD and Asthma."

Gastroenterology & Hepatology: "Is There a Relationship Between GERD and Asthma?"

Mayo Clinic: "Is there a connection between asthma and acid reflux?"

Reviewed by Sabrina Felson on June 25, 2019

Can asthma drugs raise the chances of getting acid reflux?

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