Ayurveda is the science/veda of age. It has been immensely polular in India since ages and it has vast history of curing ailments of ancient times till recent times.
There have been many places where ayurveda has done miracles and bronchodilators is one of the many such areas. Look at the revolutionary benefits of Ayurveda.
Antipyretic Drugs in Ayurveda
Antihypertensive Drugs in Ayurveda