Dexamethasone Powder Dexamethasone Raw Khoom Dexamethasone CAS 50-02-2
Cov lus piav qhia ntxaws
Dexamethasone yog cov hmoov dawb los yog yuav luag dawb crystalline hmoov, tsis muaj ntxhiab tsw.Nws yog me ntsis soluble hauv methanol, ethanol, acetone, los yog dioxane, me ntsis soluble hauv chloroform, me ntsis soluble hauv ether, thiab xyaum insoluble hauv dej.
Dexamethasone, tseem hu ua Flamethasone, flumeprednisolone, desamethasone, yog ib tug glucocorticoid hormone.Nws derivatives muaj xws li hydrocodesone, prednisone thiab thiaj li nyob rau, nws cov pharmacological teebmeem mas yog anti-inflammatory, anti-toxin, anti-allergy, anti-rheumatism, kev kho mob yog siv. dav dua.
1.Anti-inflammatory nyhuv: Dexamethasone tuaj yeem txo thiab tiv thaiv cov ntaub so ntswg cov lus teb rau o, yog li alleviating lub manifestations ntawm o.Hormones inhibit lub tsub zuj zuj ntawm inflammatory hlwb, nrog rau cov macrophages thiab leukocytes, nyob rau ntawm qhov chaw ntawm o thiab inhibit phagocytosis, tso tawm ntawm lysosomal. enzymes, thiab cov synthesis thiab tso tawm cov tshuaj mediators ntawm o.
2.Immunosuppressive teebmeem: nrog rau kev tiv thaiv los yog inhibiting cell-mediated immune teb, ncua kev tsis haum tshuaj, txo tus naj npawb ntawm T lymphocytes, monocytes, thiab eosinophils, thiab txo cov binding muaj peev xwm ntawm immunoglobulins rau cell nto receptors., thiab inhibits lub synthesis thiab tso tawm. ntawm interleukins, yog li txo qhov kev hloov pauv ntawm T lymphocytes rau hauv lymphoblasts thiab txo qhov nthuav dav ntawm cov tshuaj tiv thaiv kab mob hauv lub cev.
Daim ntawv thov
Daim ntawv thov
1.Nws tuaj yeem ua rau adenylate cyclase, txwv tsis pub phosphodiesterase, nce qib cAMP, yog li ua rau muaj kev nkag siab ntawm bronchial beta receptors rau adrenergic tshuaj thiab theophylline, thiab indirectly exerting bronchial antispasmodic teebmeem.Thiab los ntawm exerting anti-inflammatory thiab anti-aller. bronchospasm, txo bronchial congestion thiab edema, thiab txo cov hnoos qeev secretion.
2.Siv los kho cov kab mob ua xua: xws li kev tsis haum dermatitis, tshuaj tiv thaiv kab mob dermatitis (tshuaj eruption), mob ntshav qab zib, mob rhinitis, tshuaj tiv thaiv, urticaria, ua xua purpura, thiab lwm yam.
3.Shock: Nws tuaj yeem siv los ua kev kho mob rau septic shock, anaphylactic shock thiab cardiogenic poob siab los ntawm mob myocardial infarction lossis myocardial conduction block.
4.Toxic kab mob: Nws tuaj yeem txo cov tsos mob ntawm kev lom los ntawm kab mob thiab kab mob, thiab muaj cov nyhuv antipyretic zoo.
5.Ulcerative colitis: Siv ua ke nrog Xilei Powder, thiab lwm yam raws li kev khaws cia enema, nws tuaj yeem txo cov tsos mob.
6.Pab kuaj mob ntawm hypercortisolism: Kev kuaj dexamethasone tuaj yeem pab kuaj tus kab mob no.
7.Ntau yam kab mob xws li localized enteritis, tuberculous meningitis, uveitis, thyroiditis, tuberculosis, trichinellosis, allergic otitis externa, kis otitis externa, thiab lwm yam.
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