Translation of "itchiness" into Portuguese

I don't know, I'm just getting this very kind of cold, itchy feeling about him.

Não sei, mas sinto um comichão quando penso nisso.

" Symptoms are swollen lymph nodes, joint pain, itchiness, confusion.

" Os sintomas são inchaço de linfonodos dores articulares, prurido, confusão.

I mean, just talking to you has made me less itchy.

Só de vir até aqui a coceira diminuiu.