pruritus
The medical term for itching is pruritus, from the Latin word prurire (to itch).
The medical term for a contagious parasitic infection with intense pruritus is scabies. It is caused by the Sarcoptes scabiei mite, which burrows into the skin and causes itching and rash. Prompt treatment with medications prescribed by a healthcare provider is necessary to eliminate the infestation.
The signs of pruritus are usually and most likely immediate. Some of the signs of the condition known as pruritus are unusual skin itching when the skin has come into contact with any kind of water.
pruritus
Generalized itching
From Taber's Cyclopedic Medical Dictionary, (Edition # 17) page 631: "emperor of pruritus. The itching that accompanies poison ivy dermatitis involving the anal area. It is so intense that it is referred to as the emperor of pruritus."
Itching
Pruritus!
Itching skin Pruritus is an intense feeling of itchiness.
pruritus vulvae
Adults who have hemorrhoids, anal fissure, or persistent diarrhea may notice itching around the anus (called "pruritus ani"). In children, itching in this area is most likely due to worms.