Itchy skin condition (6)
I believe the answer is:
eczema
'itchy skin condition' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for eczema that I've seen before include "external irritation" , "Long-term skin complaint that flares with stress" , "Inflammatory skin condition" , "Distressing skin ailment" , "Itchy skin disorder" .)