Clinical Effect of Ambroxol Hydrochloride Injection on 83 Patients with Acute Exacerbation of Chronic Bronchitis

<p><strong>Objective: </strong>To discuss the effect of ambroxol hydrochloride injection on acute exacerbation of chronic bronchitis.<strong> Method:</strong> 83 cases of patients with acute exacerbation of chronic bronchitis were randomly divided into observation group and control group,<strong> </strong>both were given conventional treatment, observation group added ambroxol hydrochloride injection, the control group added bromhexine hydrochloride injection, the effect, PaO₂ index and adverse reactions were compared. <strong>Result: </strong>The total effective rate (95.24%) and PaO₂ index (71.22 ± 8.92) mmHg in the observation group were higher than those in the control group, and the occurrence of adverse reactions (4.76%) was lower than that of the control group, <em>p </em>&lt; 0.05. <strong>Conclusion: </strong>Ambroxol hydrochloride injection can effectively relieve acute exacerbation of chronic bronchitis, improve PaO₂ index, and have fewer adverse reactions, be worthy of promotion.</p>