<unk>  is caused by chronic kidney failure and is the most common internal systemic cause of itching. Nalfurafine, an orally-administered, centrally-acting κ-opioid receptor agonist, is approved to treat the condition in Japan.
Uremic pruritus
Aquagenic pruritus
Cholestatic pruritus
Pathergy
Leukoedema
Psychogenic pruritus
Irritant diaper dermatitis
Hydroxyethyl starch-induced pruritus