anti-reflux

adjective

an·​ti-re·​flux -ˈrē-ˌfləks 

variants or antireflux

: used to prevent, control, or treat gastroesophageal reflux or gastroesophageal reflux disease

Anti-reflux surgery involves wrapping a portion of the stomach around the loose valve.

—Sheri Mancini, The Charlotte (North Carolina) Observer

If inflammation interferes with the histologic assessment of dysplasia, the patient should be treated with intensive antireflux therapy (at the least, a proton pump inhibitor administered twice daily) for 8 to 12 weeks before repeating the endoscopy.

—Stuart Jon Spechler, Scientific American