What's the difference between itch and scratch?

Itch


Definition:

  • (v. i.) To have an uneasy sensation in the skin, which inclines the person to scratch the part affected.
  • (v. i.) To have a constant desire or teasing uneasiness; to long for; as, itching ears.
  • (n.) An eruption of small, isolated, acuminated vesicles, produced by the entrance of a parasitic mite (the Sarcoptes scabei), and attended with itching. It is transmissible by contact.
  • (n.) Any itching eruption.
  • (n.) A sensation in the skin occasioned (or resembling that occasioned) by the itch eruption; -- called also scabies, psora, etc.
  • (n.) A constant irritating desire.

Example Sentences:

  • (1) The effects of the depth of injection and of skin temperature on the latency, magnitude, and duration of itch were examined.
  • (2) It was found that medrysone (1%) significantly improved the symptoms of itching, watering, photophobia and hyperaemia, while sodium cromoglycate (2%) was found to be ineffective.
  • (3) Treatments for jock itch include anti-fungal ointments and lotions, or anti-fungal pills for severe cases.
  • (4) The speediest effect was registered for sneezing, followed by nasal catarrh, nasal itching, and blocking.
  • (5) We reviewed 52 reports in the literature of the use of epidural and spinal opiates to assess the incidence of itching and found an overall incidence of 8.5% in patients receiving epidural opiates, and 46% in patients receiving spinal opiates.
  • (6) Side effects with OTFC were more frequent: nose itching occurred in 65%, body itching in 10%, and vomiting in 30%.
  • (7) Itching appeared before erythema in 83% of subjects and within 5-8 min after instillation of the allergen.
  • (8) Topical BDP by both methods of delivery was rapidly effective in decreasing mean nasal obstruction, rhinorrhea, sneezing, and itching symptoms as well as mean eye symptoms with no statistically significant differences between them.
  • (9) Chlorpheniramine given alone produced no significant benefit whilst cimetidine alone produced a marked exacerbation in itching in nearly half the patients who initially entered the study and was sufficient to require withdrawal.
  • (10) But the ad any American politico worth his salt would be itching to make would open thus.
  • (11) The treatment proved to be effective in those with toxicoderma, secondary xanthomatosis, porphyria cutanea tarda, skin itching, and urticaria, particularly in the cases when toxic exposures and gastrointestinal conditions contributed to the disease pathogenesis.
  • (12) Degrees of itching were estimated before and for 6 months after a fourth dose of ivermectin or placebo was given to 97 subjects in Sierra Leone.
  • (13) "Itching" was the most frequent complaint, encountered in 20 (69%) of the study patient.
  • (14) For the time is coming when people will not put up with sound doctrine, but having itching ears, they will accumulate for themselves teachers to suit their own desires, and will turn away from listening to the truth and wander away to myths."
  • (15) And even more scary, I have a drillion moles all over my body, some of which have now started itching, on my back.
  • (16) PUPP is a specific eruptive dermatosis in pregnancy, clinically characterized by erythematous papules and plaques with intense itching in periumbilical localization.
  • (17) Severity of itching was determined by a visual linear analogue scale.
  • (18) Giant papillary conjunctivitis (GPC) is largely a soft contact lens-related syndrome, characterized by the formation of giant papillae on the upper tarsal conjunctiva, itching, excess mucus, erythema, and contact lens intolerance.
  • (19) Therapeutic response was assessed according to the suppression of symptoms and symptom diary scores of daily itching and frequency, number, size, and duration of hives.
  • (20) The study which was carried out in 20 patients confirmed the lack of collateral effects on the fetus, mother (except for slight itching in 25% of cases) and the progress of labour.

Scratch


Definition:

  • (v. t.) To rub and tear or mark the surface of with something sharp or ragged; to scrape, roughen, or wound slightly by drawing something pointed or rough across, as the claws, the nails, a pin, or the like.
  • (v. t.) To write or draw hastily or awkwardly.
  • (v. t.) To cancel by drawing one or more lines through, as the name of a candidate upon a ballot, or of a horse in a list; hence, to erase; to efface; -- often with out.
  • (v. t.) To dig or excavate with the claws; as, some animals scratch holes, in which they burrow.
  • (v. i.) To use the claws or nails in tearing or in digging; to make scratches.
  • (v. i.) To score, not by skillful play but by some fortunate chance of the game.
  • (n.) A break in the surface of a thing made by scratching, or by rubbing with anything pointed or rough; a slight wound, mark, furrow, or incision.
  • (n.) A line across the prize ring; up to which boxers are brought when they join fight; hence, test, trial, or proof of courage; as, to bring to the scratch; to come up to the scratch.
  • (n.) Minute, but tender and troublesome, excoriations, covered with scabs, upon the heels of horses which have been used where it is very wet or muddy.
  • (n.) A kind of wig covering only a portion of the head.
  • (n.) A shot which scores by chance and not as intended by the player; a fluke.
  • (a.) Made, done, or happening by chance; arranged with little or no preparation; determined by circumstances; haphazard; as, a scratch team; a scratch crew for a boat race; a scratch shot in billiards.

Example Sentences:

  • (1) To test the hypothesis that EAA agonists are involved in transmission of nociceptive information in the spinal cord, we tested the effect of various opioid, sigma and phencyclidine compounds on the action of NMDA in the tail-flick, hot-plate and biting and scratching nociceptive tests.
  • (2) Some organization schemes concerning locomotor and scratching rhythmicity generators are considered, such as: two half-centres with reciprocal inhibitory connections and tonic excitatory influences on these half-centres: two half-centres with inhibitory-excitatory connections and tonic excitatory influences on one half-centre; ring structures consisting of more than two functional groups of neurons with excitatory and inhibitory connections between them.
  • (3) In an interview with the Guardian, James Hansen, the world's pre-eminent climate scientist, said any agreement likely to emerge from the negotiations would be so deeply flawed that it would be better to start again from scratch.
  • (4) The satisfaction derived from smoking depends not only on the pharmacological effects of nicotine but also the sensory stimulation from smoke inhalation, particularly the tracheal 'scratch'.
  • (5) The pathogenesis of the prolific mite population is unclear, but either a specific immunologic deficit or the inability to effectively eliminate the mites by scratching is a plausible possibility.
  • (6) Forty-three percent of dog bites, and 52% of cat bites-scratches were provoked, that is, happened while the victim was interacting with the animal.
  • (7) If the NHS was being created from scratch, primary and community care would be treated as one service.
  • (8) The timing of knee extensor activity within the hip cycle is different for each form of the scratch (Robertson et al., 1985); thus, the sign of the reset cannot be predicted from the timing of the stimulus relative to the knee extensor cycle.
  • (9) We report a patient with cat scratch disease who presented with multiple scattered nodular lesions on the legs.
  • (10) Application of APV to a midbody segment also reduced the magnitude of temporal summation in the scratch circuit in response to electrical stimuli delivered to the shell at 4- to 5-s intervals.
  • (11) Windshields, spectacles, contact lenses, lashes, an excessive tear meniscus, intraocular lens scratches, and posterior capsular opacification are possible causes that can be easily identified and treated.
  • (12) Ventral UVA pre-exposure did not appear to affect dorsal skin irritation as expressed by scratch marks.
  • (13) A rare vascular proliferation found as a skin lesion in patients suffering from the acquired immunodeficiency syndrome and sometimes referred to as epithelioid angiomatosis is believed to be a manifestation of infection by the cat scratch bacillus or a related organism.
  • (14) We have made Afghanistan stronger by building up from scratch strong security forces.
  • (15) Immunoperoxidase staining with an antiserum raised against the cat-scratch disease bacillus stained these organisms in all patients.
  • (16) licking, scratching, grooming, head and limb movements), a reaction termed immobility.
  • (17) These data suggest that hindlimb scratching induced by 5-HT agonists may not be centrally mediated but rather may be mediated by a neuronal 5-HT1A receptor localized outside the blood-brain barrier.
  • (18) In contrast, after weaning they showed a significant increment in the duration of face-washing, head-washing, fur licking and body-scratching.
  • (19) A strong correlation was found between reduction in scratching and improvement in skin status.
  • (20) But screens already demonstrated by GT can withstand scratches from concrete.