Chewing few tulsi leaves gives quick relief from bad cough. In most of the ayurvedic cough syrups tulsi is present which shows how beneficial tulsi is in curing cough. In respiratory problems like asthma and bronchitis, itâs helpful to mobilize mucus. Tulsi leaves along with ginger are effective in curing different kinds of respiratory problems such as bronchitis, asthma, influenza, cough and cold.