Pharmacological teebmeem ntawm cov tshuaj tiv thaiv tsis haum

Lub luag haujlwm tseem ceeb yog txhawm rau tiv thaiv cov teebmeem ntawm cov neeg nruab nrab (xws li histamine) uas ua rau muaj kev tsis haum rau lawv cov receptors (xws li histamine H1 receptors). Los ntawm kev sib tw thaiv H1 receptors ntawm bronchial, gastrointestinal, thiab uterine du nqaij, nws muaj peev xwm tag nrho counteract histamine induced smooth nqaij contraction thiab spasm; Pom tseeb anti histamine induced nce nyob rau hauv capillary permeability, lub zos congestion thiab edema; Ib feem los tiv thaiv histamine vasodilation thiab txo cov ntshav siab; Nws tsis muaj kev tiv thaiv kev ua xua rau tib neeg. Qee cov tshuaj no tseem muaj qee yam hauv nruab nrab inhibitory thiab anticholinergic teebmeem, uas tuaj yeem ua rau qee qhov kev phiv tshwm sim. Cov tshuaj nquag siv hauv kev kho mob suav nrog chlorpheniramine, diphenhydramine, cyproheptadine, thiab cetirizine.