helo doctor, my son age 17 had his liver test done in october 2012 . his S. bilirubin total was 1.7 mg/dL, S, birlubrin direct was 1.0 mg/dL, s.birlubrin indirect was 0.7 mg/dL , SGPT was 81 U/L and SGOT was 45 U/L . he was given medicine for one 6 wteeks after which his levels came normal but month back he had little fever , he lost weight and is feeling week then again we got his liver test done . S. bilirubin total is 0.8 mg/dL, S, birlubrin direct was 0.5 mg/dL, s.birlubrin indirect was 0.3mg/dL , SGPT was 81.0 U/L and SGOT was 55U/L. his HBsAg is negative . he has chronic problem of bowels. He does not drink or smoke. Is sudden weight loss and loss of apetite with such liver parameters cause of worry . Please advice. Worried mother .