MY NEICE IS BEING TOLD SHE HAS A DRUG PROBLEM

MY NEICE IS BEING TOLD SHE HAS A DRUG PROBLEM AND IS GOING TO COUNSELING. THEY SAID HER URINE SCREENS ARE COMNG BACK AS DILUTED. SHE HAS BEEN WITH ME FOR 6 MONTHS AND HAS NOT DONE ANYTHING TO MY KNOWLEDGE. I BELEIVE HER. HER BUN 9,CREAT 0.6,GFR<60, BUN/CREAT 15. HER CBCSHOWS RBC 4.19, URINE NITRATES HIGH, BACTERIA MANY. SHE HAS ALWAYS GOTTEN UTI BUT MOST TIME DOES NOT NO IT. CAN YOU ADVISE ME PLEASE THANKS SUE