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Etafedrine is a beta-2 adrenoceptor agonist used to treat a cough associated with inflamed mucosa.
Etafedrine is a beta-2 adrenoceptor agonist used to treat a cough associated with inflamed mucosa.
A sympathomimetic agent, etafedrine acts on the sympathetic receptors of the bronchial tree, relieving spasm in a manner similar to that of ephedrine . Etafedrine acts as a selective β adrenoreceptor agonist, thereby mediating its bronchodilator effects without increasing norepinephrine release . This is distinctly different from ephedrine and tyramine which trigger the release of epinephrine or norepinephrine. N-ethylation of ephedrine suppresses the indirect sympathomimetic activity and markedly enhances the efficacy on beta 2- adrenoceptors .
Conditions characterized by bronchial congestion and bronchospasm when an expectorant or bronchodilator action is required, such as acute bronchitis, acute episodes of chronic bronchitis and bronchial asthma , .
每项发明一条，涵盖美国、欧洲、PCT 与中国的同族专利。
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