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any skin disorder, such as scabies, characterized by intense itching



a distressing sensation caused by constant weak irritation of the cutaneous nerve endings that are pain receptors and accompanied by the need to scratch the skin.

Itching may be stimulated by a number of metabolic products—for example, bile acids in jaundice. There is localized and universal (generalized) itching. Localized itching is found in certain inflammatory diseases of the skin. Causes of universal itching may be diseases of the skin proper, diseases of various internal organs (jaundice, diabetes mellitus); certain allergic states, and decrease in function of the sex glands. The very notion of a habitual source of itching familiar through past experience (for example, an insect bite) may produce the corresponding sensation of itching (conditioned-reflex itching). Itching may be chronic or come in attacks lasting from a few hours to many weeks. Scratching leads to disruption of the integrity of surface layers of the skin and to infection of itching areas, which may cause a secondary inflammatory disease of the skin.

Treatment of an itch consists in eliminating the disease that is causing it. Sedatives (bromine, valerian, calcium preparations) are prescribed and menthol and sea baths are applied externally. Hormone preparations are used for climacteric and geriatric itching. Localized itching can be prevented by the observance of personal hygiene.



An irritating cutaneous sensation allied to pain.
References in periodicals archive ?
COULD BE: ACUTE (SHORT-TERM) CAUSE "Ask a pharmacist for advice on over-the-counter treatments," said Dr Perry, adding: "Causes of itchy skin with no rash could be due to food sensitivity or a reaction to medication, or a problem with the liver, gall bladder or thyroid.
Now that we have disentangled these itchy sensations from painful ones, we should be able to design drugs that target itch-specific nerve cells to combat chronic itchiness," Dong said.
On using The Simpsons, she said: "Some of the children said it was awful that Itchy or Scratchy were seen going up to heaven and then coming back down again, as in real life that would not happen.
It took Itchy another nine months, spent in Berlin, to see Trenton again.
Relieving itchy bug bites is essential to avoid introducing infection through torn skin.
6% spray was superior to placebo for runny nose, itchy nose, sneezing, and itchy and watery eyes.
Scabies occurs when microscopic mites burrow into the skin and cause an itchy allergic reaction that can resemble eczema.
My colleague and I drove off to Kinko's to copy some manuscript pages and enroute back to her house I commented, "My hands feel itchy.
On Saturday, the rock band Itchy Itchy will play at 6 p.
Your vagina can be a little itchy sometimes, thanks to new hair growth, discharge buildup, or even a yeast infection.
The prize is this insulating and windproof softshell North Face jacket supplied by Itchy Feet, worth 90 [pound sterling].
These include itchy and runny nose, itchy and watery eyes, sneezing, itchy skin, and even asthma.