question: my dad had high grade fever with chills, 4days back,he is hbsag positiv,when investigated had  1.1lakh platelet count,elevated total,unconj bilirubin, raised sgot ,sgpt  slightly,CUE SHOWING showng pus cells,rbc,granular casts,albumin.usg scan showng BPH GR!,lt kidney low calyx 7.8mm calculi,rt kidney 3 calyx small calculi,no hydronephrosis in both kidneys.we put him on antibiotics analgesics.fever subsided,serum bilirubin came down to 1.9 prevsly it was 2.9.previosly 6mnths back wen he got loin pain was investigated found 7mm calculus in lt mid ureter wit mild hydronephrosis,he took few medicines for that.is BPH cause 4 all tese calculi?wat would be the treatment/