Cut off a little shelf of top
This method had been tested by many people. One of the best methods to stop cough.
Cut off the top part of the orange, put some salt into the orange, and put back the top part. Steam it 10 minutes and eat all the fresh including the juice at the bottom of the bowl. Taste not very nice but cures your prolonged cough in days.
Add ¦ teaspoon of salt
Place in a bowl and steam it 20 minute