Results 311 to 320 of about 65,144 (350)
Antihistamines and decongestants [PDF]
Otolaryngology–Head and Neck Surgery, 1992 Drug therapy for allergic rhinitis is used either to prevent symptoms from occurring by short‐circuiting the reaction and thus inhibiting the production of chemical mediators or to control symptoms after the target organs have been stimulated by these mediators.
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The Lancet, 1983
With careful use of antihistamines central effects may be minimised or even largely avoided while adequate peripheral antihistaminic activity is preserved. Tolerance to central effects may develop quickly with some drugs, so that sedation is no longer troublesome after a few days.
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With careful use of antihistamines central effects may be minimised or even largely avoided while adequate peripheral antihistaminic activity is preserved. Tolerance to central effects may develop quickly with some drugs, so that sedation is no longer troublesome after a few days.
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2015
Histamine is one of the best-characterized pruritogens in humans. It is known to play a role in pruritus associated with urticaria as well as ocular and nasal allergic reactions. Histamine mediates its effect via four receptors. Antihistamines that block the activation of the histamine H₁receptor, H₁R, have been shown to be effective therapeutics for ...
Andrew Greenspan +3 more
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Histamine is one of the best-characterized pruritogens in humans. It is known to play a role in pruritus associated with urticaria as well as ocular and nasal allergic reactions. Histamine mediates its effect via four receptors. Antihistamines that block the activation of the histamine H₁receptor, H₁R, have been shown to be effective therapeutics for ...
Andrew Greenspan +3 more
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Acta Physiologica Scandinavica, 1949
Summary.Cats were treated with doses of legation intravenously that suppressed the blood pressure action of moderate histamine doses. The responses of respiration to inhalation of gas mixtures poor in oxygen or rich in carom dioxide were undiminished.
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Summary.Cats were treated with doses of legation intravenously that suppressed the blood pressure action of moderate histamine doses. The responses of respiration to inhalation of gas mixtures poor in oxygen or rich in carom dioxide were undiminished.
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Journal of Clinical Pharmacy and Therapeutics, 2001
Histamine activates pain-transmitting nerve fibres, releases pain-related neuropeptides, and is painful when injected into the skin. Histamine agonists mimic these effects, suggesting that histamine plays a role in mediating the signal transduction of tissue damage or other painful stimulus.
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Histamine activates pain-transmitting nerve fibres, releases pain-related neuropeptides, and is painful when injected into the skin. Histamine agonists mimic these effects, suggesting that histamine plays a role in mediating the signal transduction of tissue damage or other painful stimulus.
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Pharmacology of antihistamines
Journal of Allergy and Clinical Immunology, 1990Unlike the classic antihistamines, the new H1-receptor antagonists do not block cholinergic or central H1 receptors and thus do not produce the side effects, such as sedation, impaired psychomotor performance, and excessive mucosal drying, that are commonly associated with the older agents. Important pharmacokinetic and pharmacodynamic differences that
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International Journal of Dermatology, 1986
F P, Flowers, O E, Araujo, C H, Nieves
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F P, Flowers, O E, Araujo, C H, Nieves
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Tuberculosis and Antihistaminics
Diseases of the Chest, 19491) The present knowledge of antihistaminics, particularly the pharmacologic considerations are presented. 2) Tuberculous allergy and tuberculous anaphylaxis are presented as widely different mechanisms and carefully differentiated. 3) Neo-Antergan and phenergan (RP3277) were given for several months in a series of thirty patients with ...
Tovy Millner, Tovy Millner, Allan Hurst
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Pharmacogenomics for the efficacy and side effects of antihistamines
Experimental Dermatology, 2022Jie Li, Runqiu Liu, Cong Peng
exaly