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.

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

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