I am not sure about all the test you are being given.. but it is one statement you made..actually two that raised my eyebrow...I have sarcoidosis..and I remember before being diagnosed..the constant fatigue...I mean a shower took alot out of me...we stay tired and sleep alot...dry cough sometimes with phelm..flu like symptoms...entire body aches..bad days outweigh the good ones...and it usually go