scratch

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scratch

(skrach)
1. to scrape or rub a surface lightly with the nails or with a sharp or jagged instrument, particularly to relieve itching.
2. a slight wound.
3. to make shallow cuts on a surface.
4. to make a thin grating sound.

scratch

(skrach) [ME. cracchen, to scratch]
1. A mark or superficial injury produced by scraping with the nails on a rough surface.
2. To make a thin, shallow cut with a sharp instrument.
3. To rub the skin, esp. with the fingernails, to relieve itching. Scratching temporarily relieves itching by soothing the cutaneous nerves, but in the long run, it may worsen the condition that caused the itching. See: pruritus

Patient discussion about scratch

Q. why do allergy effects comes usually in sorts of sneezing and scratching and more other thing like that?

A. It's because the substances released in the allergic reaction of the immune system to the allergen, like histamine, cause sensation of itching. They also cause increased secretion of mucus from the lining of the throat, which irritates the airway and cause sneezing.

You may read more here:
en.wikipedia.org/wiki/Histamine

Q. Is there any information out there regarding a severe allergy to cat scratches? Is there any information out there regarding a severe allergy to cat scratches? I am not referring to "cat scratch fever" disease, but an allergy where the site of the scratch becomes swollen and red, and the person has hives and trouble breathing. Thanks so much!

A. Greetings Humble Earthling! It sounds like you have two or more things going on. First, cat scratch fever is caused by a parasite and comes on 1 to 2 weeks after the scratch. Allergic reactions are immediate.
Now, if the site of the scratch is swollen and red, that could be due to minor infection and just the process of healing.

More discussions about scratch
References in periodicals archive ?
Such plugged orifices, even at early stages, cannot normally function to express the oils onto the eyelid margin, and so the patient may well present with symptomology suggestive of tear film deficiency, ie, dryness, scratchiness of the eyes, simply because the tear film is unstable.
99 (Boots) contains superfine particles, which smooth without scratchiness and antibacterial salicylic acid spheres that activate when you start scrubbing.
Ocular symptoms that will be evaluated during the Phase IIb trial include but are not limited to burning or stinging, itchiness or scratchiness, grittiness or sandiness, foreign body sensation, haziness or blurriness.
Table 1 Typical terms associated with and used in dry eye questionnaires EYE-BASED (specific) SYMPTOMS VISUAL SYMPTOMS Dry eyes Asthenopia Burning Blurred (changeable) vision Foreign body sensation Difficulty in focussing Irritation Eye strain Grittiness Ocular tiredness Scratchiness Light sensitivity (photophobia) Sore eyes Tearing (excessive) Discharge Table 2 Typical ingredients of contact lens re-wetting drops; (1) vehicle is the aqueous solution in which other ingredients are dissolved; (2) eg a mixture of NaCl, KCI, Ca[Cl.
Usual symptoms include stinging or burning eyes, scratchiness, a feeling that there's something in the eye, excessive tearing or difficulty wearing contact lenses.
Severe dry eye is characterized by redness, burning, itching, scratchiness, tearing, sensitivity to light, and/or mucus secretion.
Often a normal part of the aging process, dry eye is characterized by redness, burning, itching, scratchiness, tearing, sensitivity to light, and/or mucus secretion.
Bacterial conjunctivitis, commonly known as "pink eye," is characterized by swelling of the lid, eye discharge, scratchiness in the eye, and sensitivity to light.
The condition encompasses a wide variety of disease states ranging from mild, intermittent burning, scratchiness and foreign body sensation, to a severe lack of aqueous tear secretion accompanied by corneal and conjunctival disease which is termed keratoconjunctivitis sicca (KCS).