Latest blood work shows- low IgM , High heptoglobulin, low hemoglobulin, Low RBW, low Hematocrit, Lymphocyties touched higher range, ESR is always high from 25 to 45 3 years,  lymph nodes  in neck. weak and tired. Pain on centre part of head and breathless ness

Taking XR venlafexin 37.5 does these are the side effects of this ?

How to get rid of this hard medicine.