An Ayurvedic proprietary herbal cough syrup formula, in controlling acute nonproductive cough and its associated symptoms. A standard allopathic MCS intended for use in similar conditions was used as reference comparator. Response to treatment was evaluated on the basis of changes in the frequency of cough and throat irritation from baseline to the end of 3rd day treatment period in both the arms. Safety was assessed on the basis of development of AEs during the course of treatment.