What Causes Heat And Cold Sensation In Hands And Clavicle Bone Pain?

I m running a low grade fever on and off from 2 month,all blood test are good ,except brucellosis-went positive ,after 4 days negative ,swollen lymph node on both sides of the neck , feeling heat on the sternocleidomastoids muscle, pain under the clavicle bone and feeling a heat and cold sensation that goes to my both hand.I know everything is so strange...,mild articular pain Thank you so much