Actually it is the milk of a tree which solidifies and takes the shape of glue. It is blackish brown in color and has a pungent smell. Asafetida is a medicine that increases the fire in the stomach, removes cough, phlegm, flatulence and also removes heart-related chest pain and stomach pain. It is also used in indigestion and worm diseases. It gives strength to the liver and its effect has also been seen in brain disorders. By giving asafetida, the phlegm deposited in the health duct becomes thin and comes out.