2. Ambroxol is currently the most widely used clinical expectorant. Can stimulate the formation of the respiratory tract and the surfactant regulation serous and mucinous secretion, which can improve the respiratory cilia area and non-ciliated region of the elimination effect, reducing the adhesion of sputum and cilia, further easier to cough the phlegm, and reduce cough phenomenon. Since the effect of this product quickly indeed, well-tolerated, long-term use.

3. Tilmicosin J is the newest tylosin hydrolyzate by semi-synthetic macrolide animal-specific drugs, mainly against Gram-positive bacteria, Gram-negative bacteria and a small number of mycoplasma effective for the treatment of clinical Pasteurella and mycoplasma infections.