Hi, I have had intense itching for over a year now which comes and goes all over my scalp, my arms and legs (occasionally back and torso) and has me scratching myself stupid. I've also lost weight, my bloods show I'm anaemic and I'm just generally unwell. 

My doctor won't even consider lymphoma, has no reason for the itching but won't discuss this being a possibility due to my other bloods being normal. 
 

should I continue to persist with this? Would my bloods show an issue? And would the itching come and go or be continuous?

im making myself ill worrying about it. 
 

thank you xx