1. Antihistamine Any substance that reduces the effect of histamine or blocks histamine receptors, usually the histamine 1 (H1) receptor

2. Antihistamines reduce or block histamines, so they stop allergy symptoms

3. Predisposing factors were studied: atopy (IgE dosage), increase of histamine release (intradermal testing with 48/80), abnormal receptivity to histamine (intradermal histamine), spasmophilia (electromyography recordings).

4. Antihistamines selectively block the effects of histamine at the histamine-1 receptor sites, decreasing the allergic response

5. Antihistamines are drugs used to block chemicals in the body called histamines

6. Inhalation tests on 9 dogs with histamine showed: histamine inhalation causes a bronchoconstriction not so strong as acetylcholine.

7. Let’s delve into how an Antihistamine works, along with what natural histamines can …

8. Indications of neurotoxins, histamine, serotonin, enzyme inhibitors.

9. Antihistamines act to prevent the action of histamine, a bioactive amine, at one of the histamine receptor, to block itching, …

10. This statement is based on the following facts: Similarity of anaphylactic shock symptoms with the histamine shock and shock by the histamine liberator anaphylatoxin, depletion of the histamine storing mast cells, increase of plasma histamine level corresponding with the intensity of the shock symptoms, inhibition of the acute shock by antihistaminics.

11. The cytoplasm of Basophils contains heparin, histamine, and serotonin

12. The compounds show a high and selective binding affinity for the histamine H3 receptor, indicating histamine H3 receptor antagonistic, inverse agonistic or agonistic activity.

13. These antibodies mostly bind to mast cells, which contain histamine.

14. 11 Conclusion: Xinqin granule do have the antagonism to histamine.

15. An Antihistamine diet is a key strategy for reducing internal histamine levels for those who are histamine intolerant or have inflammatory issues and autoimmune conditions

16. Acidification of the antrum also reduces histamine-stimulated secretion.

17. Antihistamines bind to histamine receptors on the surface of cells

18. Agrarians can handle some dairy but have issues with histamine.

19. No difference in basophile histamine concentration was observed between patients and controls.

20. Antihistamines don’t stop allergic reactions from happening, but they do block the histamine receptors from being able to be triggered by the histamine that is released, reducing your symptoms

21. Antihistamines target histamine, which your body makes during an allergic reaction

22. Accumulation of histamine in fresh sardines was retarded when utilizing ice.

23. Antihistamines are medicines that treat allergy symptoms by blocking the effects of histamine

24. Definition Achlorhydria indicates the inability to produce gastric acid (i.e., hydrochloric acid [HCl]), even after stimulation with secretagogues (e.g., pentagastrin [gastrin analogue], histamine, betazole [histamine analogue], or a meal)

25. Histamine injected in similar concentrations as that measured in the sputum causes bronchoconstriction.

26. An Antihistamine is a prescription or over-the-counter medication that blocks some of what histamine does. “Anti” means against, so Antihistamines are medicines that work against or block histamine

27. The administration of Artemisinin strikingly suppressed the expression of histamine, IgE and inflammatory factors

28. Some toxicological characteristics and outbreaks of food poisoning are associated with histamine and tyramine.

29. Antipruritic agents Oral agents may control itching by blocking effects of endogenously released histamine

30. The Antiemetic effect is via H1-histamine receptor antagonism within the area postrema (1)

31. , intubation-induced Bronchospasm) or pharmacologic-induced (via histamine-releasing drugs such as atracurium or mivacurium

32. Histamine iontophoresis was used to Arterialize capillary blood of neonates in one early study

33. Serum histamine and cortisol values were high after shock, but were reduced by heparin.

34. Against histamine shock mepyramine has about the same activity as against the anaphylatoxin shock.

35. They demonstrated the IgE's critical role in mediating the release of histamine from mast cells.

36. Basophilia is of particular concern to people with asthma as an increase in Basophil numbers can translate to an increased production of histamines.

37. Basophilia is of particular concern to people with asthma as an increase in basophil numbers can translate to an increased production of histamines

38. H2 antagonists, sometimes referred to as H2RA and also called H2 blockers, are a class of medications that block the action of histamine at the histamine H2 receptors of the parietal cells in the stomach.

39. When the mast cells are stimulated by an allergen, histamine (and other chemicals) are released.

40. What are Antihistamines? Antihistamines are medicines that treat allergy symptoms by blocking the effects of histamine

41. The coronary spasm is related to the presence of histamine-releasing cells in the heart.

42. Centipede venom is a cocktail of several substances, including histamine, serotonin, cardiotoxin, and a quinoline alkaloid

43. Analysis of the blood samples demonstrated no significant increase in the histamine level in all three groups.

44. Benadryl (diphenhydramine) is an Antihistamine that reduces the effects of natural chemical histamine in the body

45. Basophils can release histamine and other mediators and play a role in the initiation of allergic reactions.

46. Basophils normally constitute 0.5 to 3 percent of the peripheral blood leukocytes, and contain histamine and serotonin.

47. Most of the histamine in the blood of healthy infants and children is associated with the basophils.

48. Diamine oxidase Catalyses the oxidative deamination of histamine and other biogenic amines such as cadaverine and putrescine.

49. Antihistamines replace histamine at one or the other of the two receptor sites at which it becomes

50. 29 These studies need to be repeated with presently available more accurate methods for assay of histamine.

51. The histamine level in tears of the controls (group II) was below the detection limit in all samples.

52. 3 This drug is both a histamine and a serotonin antagonist,(www.Sentencedict.com) and it also has anticholinergic properties.

53. 91 rows  · Antihistamines are a class of agents that block histamine release from histamine-1 receptors and are mostly used to treat allergies or cold and flu symptoms, although some first-generation Antihistamines may also be used for other conditions.

54. Antihistamines work by blocking the action of histamine, a natural chemical in your body that drives allergy symptoms.

55. The peptide, Bradykinin, has cardiovascular effects similar to those of histamine and plays prominent roles in inflammation and nociception

56. 30 During the initial phase, newly formed mast cell components such as histamine, serotonin, prostaglandins, and leukotrienes may be released.

57. When the food allergen is again ingested, the antibodies that were created earlier can trigger a release of chemicals, including histamine.

58. Histamine causes blood vessels to dilate and become more permeable, so that they leak fluids that are rich in immune cells.

59. A relatively large number of histamine-refractory Achlorhydrias was found among patients suffering from true rheumatoid arthritis-36 per cent

60. Antihistamines are a group of medicines which act by blocking the action of the chemical called histamine in the body

61. It is known that acetylcholine and histamine directly or indirectly enhance the tonus of the bronchial muscular system as far as bronchospasms are concerned. 125 seconds after inhalation of an acetylcholine or histamine aerosol, “static” compliance was found reduced in only one of 12 anaesthetized and relaxed dogs.

62. Papaverine alone (10 mg/kg) also reduced the acute death rate in anaphylatoxin shock and—to a lesser degree—in histamine shock.

63. Distinctions and Contradistinctions between antiobesity histamine H(3) receptor (H (3)R) antagonists compared to cognition-enhancing H (3) receptor antagonists

64. However , histamine , a chemical messenger in the brain , promotes wakefulness , so antihistamine has the effect of making some patients feel sleepy .

65. The primary purpose of Basophils is to release histamine in response to an antigen, or an allergen such as pet dander

66. Allergin: Uncertain; the reactive "species" in the passive transfer of anaphylaxis, possibly histamine or other low-molecular-weight molecules.

67. Either H1 or H2 histamine receptors can be blocked by medicines, but the group commonly known as Antihistamines blocks the H1 receptor

68. 16 AIM: To observe the effect of paracetamol and pseudoephedrine hydrochloride drops on histamine induced increase in resistance of nasal meatus of rats.

69. At the Bypath, we collaborate with doctors, nutritionists, and other specialists to give you everything you need to manage histamine intolerance in one place

70. DKO mice had Ameliorated liver damage including less inflammation, fibrosis, lymphocytic infiltration and necrosis; however, chronic treatment with histamine to DKO mice restored these features

71. Such results raise the possibility that the RES plays a pivotal role in the circulatory manifestations of compound 48/80 and anaphylactic-type (histamine release) shock syndromes.

72. Antihistamine definition is - any of various compounds that counteract histamine in the body and that are used for treating allergic reactions (such as hay fever) and cold symptoms

73. Antihistamines are drugs that block the action of histamine (a compound released in allergic inflammatory reactions) at the H 1 receptor sites, responsible for immediate hypersensitivity reactions such …

74. Bronchial challenge test a pulmonary function test in which an aerosol such as methacholine, histamine, or an allergen is administered to provoke bronchospasm; used in diagnosis of asthma.

75. Antihistamine, any of a group of synthetic drugs that selectively counteract the pharmacological effects of histamine, following its release from certain large cells (mast cells) within the body

76. Besides E 605 in high dosis Acetylcholine and Histamine also transform epitheloid cells. It is possible therefore to distinguish muscle cells and epitheloid cells being not in the “open form”.

77. The effects of cold-acclimation, reserpine and propranolol were investigated on the survival time, rectal temperature and urinary excretion of histamine and 5-HT in guinea-pigs at −20°C.

78. Some other noted impacts of pholcodine in preclinical trials are: 1) the induction of histamine release, 2) anti-histaminic effect, 3) anti-Acetylcholinic action, 4) anti-convulsant action and 5) mild tranquilizing action

79. Basophil Basophils migrate to injury sites and cross the capillary endothelium to accumulate in the damaged tissue, where they discharge granules that contain histamine (dilates blood vessels) and heparin (prevents clotting)

80. Antihistamines are a class of drugs commonly used to treat symptoms of allergies. These drugs help treat conditions caused by too much histamine, a chemical created by your body’s immune system