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The general outline of this therapy can be found here: Best natural cough treatment. This is the way how you can stop coughing for good. An additional factor to stop coughing naturally is to use Earthing for grounding the human body to get Earth's electrons to reduce inflammation.
Ginger is extremely useful in treating all types of cough. Mix few drops of honey with 2 teaspoonfuls of ginger juice and take it 3-4 times a day to get relief from cough. Gargling with a glass of lukewarm water adding a pinch of salt is a common remedy for treating all sorts of cough including dry cough. Follow this remedy 4-5 times a day to reduce coughing. It also clears your choked voice. Take one betel leaf, few basil leaves, small pieces of ginger and two cloves and chew it.