ABSTRACT
<p><b>OBJECTIVE</b>To explore the inhibitory effects of Niaoluqing, an oral liquid of traditional Chinese medicine, on the growth of urogenital chlamydia trachomatis (Ct).</p><p><b>METHODS</b>Niaoluqing's applying concentration was 1 g/ml and 10 serologically untyped strains of Ct from the STD clinic were used. And the inhibitory effects of Niaoluqing on Ct was evaluated by McCoy cell microculture technique in vitro.</p><p><b>RESULTS</b>Niaoluqing had inhibitory activity for urogenital Ct, and was capable of reducing inclusion numbers notably in the concentrations of 50 to 200 mg/ml. The number and volume of Ct inclusions reduced gradually and disappeared finally with the rising of the medicinal concentration.</p><p><b>CONCLUSION</b>The traditional Chinese medicine Niaoluqing has inhibitory effects on the growth of urogenital Ct.</p>