What should i buy at the store for acid reflux?

A pillow and: Buy a pillow so that you sleep in a semi-reclined position. Lying flat makes reflux worse. Beyond that, purchase the meds your doctor tells you to. There are sooooooooo many anti-reflux meds out there, but you need individual treatment. Also, long term use of many of these meds has its own risk, so this needs to be carefully coordinated with your primary care doc or GI doc.Small, frequent meals.