Sorry for my bad english in advanced,I have elevated temperature (about 37,4C) in the evening and night hours for two years. In the morning temperature is ok, about 36,7C. Also, my puls is about 100 beats per minute and quickly get tired.My results of blood test is ok except lower TSH (0,2688 mlU/L), HCT (0,328), MCV (70,4), MCH (24,5) and higher RDW (17,3).My question is what test I can do to find out what the problem is?