I have worsening chronic fatigue, occasional irregular lower back, left hip, leg and foot pain. I m also experiencing dry mouth and eyes. I have a hx of htn for which I take 12.5 of Hctz. what could be the problem? My CBC is normal except elevated RDW and low MCV & MCH (3 CBC s over the past 6 months and were the same. FreeT3, free T4, and TSH were normal.