My three year old son has vesicoureteral reflux. what can you tell me about this condition?

Reflux: Just like people having GI reflux, in this case urine is refluxing back from the bladder to the kidneys. There are 5 different stages to it. Depending on the stage will dictate what happens next. Sometimes it's managed by a low dose antibiotic, if severe enough without improvement over time, might need surgery. Should be monitored closely by a urologist.