scabies

n. skin disease of humans and animals (caused by parasitic mites)

Scabies is a transmissible ectoparasite skin infection characterized by superficial burrows, intense pruritus (itching) and secondary infection. The word scabies comes from the Latin word for "scratch" (scabere).
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Scabies is a relatively contagious infection caused by a tiny mite. Description Scabies is caused by a tiny insect about 0. [more]Scabies - Community and Resources

Noun
1. a contagious skin infection caused by the itch mite; characterized by persistent itching and skin irritation; "he has a bad case of the itch"
(synonym) itch
(hypernym) infection

(n.)
The itch.