my urine test results are wbc/hpf is 6-8, rbc/hpf is 1- 2 and epithelial cells are many . everything else is fine and my pee is acidic ,, my thyroid is ok ,, my hormones are ok ,, my complete blood test is also all ok ,, I also just finished a 6 month course of isotretinoin.. and im havig horrible hair loss ever since I stopped the medicine 4 months ago ,, what can I possibly have ?