The pediatric urologist warned that untreated duplex systems could result in yo-yo reflux, where urine flows from one renal moiety down the ureter and up into the other instead of draining into the bladder.

Many carbonated beverages are refluxogenic and can aggravate symptoms in sensitive individuals.

After last night's spicy curry, I woke up feeling refluxy and spent the morning sipping milk to calm my stomach.