A dry cough is usually the result of infection by cold and flu viruses. It can also be triggered by atmospheric pollutants irritating your throat. Honey is a natural home remedy for a dry cough, as it soothes the irritated tissue lining at the back of the throat. Depending on the severity of the cough, you can take a tablespoon of honey one to three times a day. Since honey is low cost and widely available, it might be worth a try.