Noun
Reflux of stomach acid into the esophagus.
Heartburn, especially recurring or chronic heartburn.
Source: en.wiktionary.orgI am fussy, about my diet and straining my voice. I know, sounds a bit over the top. But I'm not as bad as I used to be. These days I don't drink alcohol for five days before a show - very dehydrating for the vocal cords, and all that acid reflux. I used to ban it for a fortnight. Nightmare. Katherine Jenkins
I can't eat before I go onstage because I've learnt that burping on stage isn't a good thing. It's all about acid reflux. Jessie Ware
Acid reflux – why is this uncomfortable condition on the increase? Source: Internet