<unk>  is a skin condition characterized by the development of severe, intense, prickling-like epidermal itching without observable skin lesions and evoked by contact with water.
Aquagenic pruritus
Psychogenic pruritus
Uremic pruritus
Cholestatic pruritus
Hydroxyethyl starch-induced pruritus
Pathergy
Grocer's itch
Irritant diaper dermatitis