[Clinical and experimental study on oral liquor night-cough tranquiller in treating infantile cough]

Oral Liquor of Night-Cough Tranquiller (NCT) was used in treating infantile cough and 128 patients have been treated. The result revealed that the total effective rate was 95.3%. In comparing with other group of patients treated with the common cold cough syrup and Caps. cephalexini, the latter has a clinical effective rate of 81.0%. A significant difference existed between the above-mentioned two groups (P < 0.05). According to the animal experiment, the NCT has some outstanding pharmacologic functions such as anti-tussive function, phlegm reducing and sedation, etc. While the LD50 of NCT has not been detected which indicated that this preparation has negligible side effect.