What's the difference between itchy and wheal?

Itchy


Definition:

  • (a.) Infected with the itch, or with an itching sensation.

Example Sentences:

  • (1) Patients with acute or chronic liver disease often suffer from dry, itchy and flaky skin.
  • (2) The two treatments were equally effective in controlling eye irritation, sneezing, nasal congestion and itchy nose, throat and palate, but cetirizine improved rhinorrhea more than terfenadine (P less than .05).
  • (3) Acne solaris a form of acne that appears and relapses after sun exposure, is almost always itchy and is preferably localized on the upper anterior chest, the deltoid regions and the shoulders.
  • (4) The severity of the symptoms sneezing, running nose, blocked nose and itchy eyes was recorded daily by each patient on a 10 cm visual analog scale.
  • (5) A similar, although non-significant, trend was observed for sneezing and itchy nose, but there was no apparent difference in the reporting of sore eyes.
  • (6) Read more Reputex says the detailed rules confirm none of Australia’s top 20 emitting facilities – including brown coal-fired power stations Loy Yang A and B and Hazelwood, and new liquefied natural gas processing facilities such as Wheatstone, Gorgon, Itchys and Pluto – will be forced to reduce emissions.
  • (7) Blood tests were done weekly and patients used a visual analogue scale (VAS) from 0 to 100 to mark their level of itchiness daily.
  • (8) A day or so later came an itchy rash across her body and a fever of 39C (102F), swiftly followed by raw red conjunctivitis eyes.
  • (9) Efficacy evaluation consisted of nasal flow rates measured by rhinomanometry, sneeze counts, nasal itchiness scores, and weight of nasal secretions during challenges.
  • (10) The in vitro incorporation of 14C acetate by the epidermis has been studied in patients with autosomal dominant ichthyosis and in patients with a dry, itchy, slightly scaly skin associated with a disorder of the small bowel.
  • (11) Scratching the itchy lesions often spreads the condition by transplanting the remanent resinous toxin to other parts of the body.
  • (12) Sometimes, he says, people don't realise it's the cream that's to blame for their itchy skin, and rub even more on.
  • (13) Two days after ingestion of snails, they developed a generalized itchy maculopapular rash followed by myalgia, marked paresthesia, fever and headache.
  • (14) Although no significant differences were found for itchy nose, blocked nose, and ocular symptoms, severities tended to be generally less under levocabastine than under sodium cromoglycate.
  • (15) He wouldn't ask you to put your itchy ear up to the camera.
  • (16) Reputex says the detailed rules, signed off by cabinet on Tuesday, confirm that none of Australia’s top 20 emitting facilities – including brown coal-fired power stations Loy Yang A and B and Hazelwood, and new LNG processing facilities such as Wheatstone, Gorgon, Itchys and Pluto – will be forced to reduce emissions.
  • (17) We examined one male and two female patients with a localised itchy erythematous papule of the eyelid.
  • (18) It was found that May was stated to be the month of onset of the disease for the indigenous group whereas June tended to be the month of onset for the immigrant group.The sample proved too small to detect any existing patterns in personal or family history, but sex links were found in both response to grass pollen and a personal history of asthma, in that men showed less tendency to asthma whilst proportionately less women than men responded to grass pollen skin tests only.We suggest that a diagnosis of hay fever should be considered in both the young and the elderly who present with recurrent symptoms occurring only in the summer months, of one or more of the following: sneezing, lacrimation, nasal drip, nasal blockage, wheezing, dry throat, or itchy eyes.
  • (19) This case report illustrates that the typical symptoms of allergic rhinitis--rhinorrhea, itchy eyes, nose and throat--should not be taken as a routine phenomenon without consideration of other differential diagnoses.
  • (20) Total symptom severity as a percentage of the theoretical maximum symptom severity during the treatment period was lower for levocabastine than for sodium cromoglycate (p = 0.06) or placebo (p = 0.004) for the severest nasal symptom (35% versus 47% and 76%), sneezing (the most frequent symptom) (27% versus 42% and 67%), and itchy nose (18% versus 37% and 67%).

Wheal


Definition:

  • (n.) A pustule; a whelk.
  • (n.) A more or less elongated mark raised by a stroke; also, a similar mark made by any cause; a weal; a wale.
  • (n.) Specifically (Med.), a flat, burning or itching eminence on the skin, such as is produced by a mosquito bite, or in urticaria.
  • (n.) A mine.

Example Sentences:

  • (1) Three patients reacted with a wheal size greater than or equal to a histamine control at a dilution of 1:1,000 and 3 patients at 1:100.
  • (2) The validation of the VSC technique with venous occlusion plethysmography (VOP) showed that the increase of time of disappearance of the wheals is well correlated with the increase of capillary permeability demonstrated by VOP.
  • (3) Cimetidine, an H2-receptor antagonist slightly reduced the effect of clonidine on the wheal and flare reaction.
  • (4) Numerous mast cells were degranulated in late wheals, as shown by electron microscopy.
  • (5) The wheal and erythema reaction caused by intracutaneous application of 5 mug histamine can be inhibited by applying fenoterol in doses from 100--400 mug in form of a metered aerosol on the skin 5 min before the injection of histamine.
  • (6) Treatment with astemizole, as measured at the end point of each patient's treatment and compared to placebo, resulted in significant improvement of pruritus, erythema, number of wheals, frequency of urticarial attacks, and control of urticaria (p less than or equal to 0.03).
  • (7) The surface areas of the wheal and flare responses were measured by planimetry.
  • (8) Substance P produces dose-related wheal and flare reactions in human skin.
  • (9) Clinically, they are characterised by an immediate wheal and flare or a delayed papular to eczematous process.
  • (10) The flare response to SP and histamine was suppressed by capsaicin pretreatment whereas the wheal was enlarged.
  • (11) Histamine caused dose-related increases in blood flow and in areas of wheal and erythema in human skin.
  • (12) The patient developed an immediate type of skin reaction with erythema and whealing following monochromatic irradiation at 400 nm, but did not have any abnormal immediate skin reaction after exposure to natural sunlight.
  • (13) The allergen-triggered wheal and flare reaction in ovalbumin sensitized guinea pigs was potentiated by MK 422 and the late phase reaction of the inflammatory response was especially augmented.
  • (14) Except at high doses the local vasodilatation induced by CGRP was not associated with a wheal and flare as seen with histamine, substance P, and VIP.
  • (15) Two other patients with sunlight-induced solar urticaria, who had an erythema-and-wheal reaction during and after exposure to sunlight, had no suppressive wave bands in either the UV or visible-light range.
  • (16) There were also 3 highly allergic children, with immediate hypersensitivity reactions to other food, who, despite having never been exposed to egg, developed large skin prick test wheals to egg white.
  • (17) It is concluded that the wheal need not be associated with the Provocation-Neutralisation technique, and that a neuropsychological basis for the Provocation-Neutralisation response should be explored.
  • (18) Pressure wheals were characterized by a mild mononuclear perivascular infiltrate and by patchy dermal infiltrates of eosinophils.
  • (19) Sections from the wheals of recent onset 24 hours old or less taken from 11 patients with urticaria were examined by electron microscopy.
  • (20) Five minutes after an id injection of PHA (bactophytohaemoagglutinin M, Difco, 1 mg), mix monilieae, mix tricophyton and PPD Berna, she showed an extensive wheal and flare reaction in the PHA injection area, eyelid oedema and respiratory distress.