ABOUT THREE DAYS AGO I HAD A SUDDEN ONSET OF. PAIN IN MY FLANK AREAS. NOW IT IS ON EITHER SIDE OF MY SPINE FROM MY WAIST DOWN. REALLY UNBEARABLE DISCOMFORT AND PAIN.IT COULD BE DISCRIBED AS TIRED.THE PAIN IS RELENTLESS.ARE WE LOOKING AT KIDNEYS OR WHAT DO YOU THINK?I HAVE HAD NO INJURY.THANK YOU DUMP