Homemade cough syrup..this is a home remedy for that horrible cough that you just can't get rid of, and best of all..you probably already have all of the ingredients! 1/4 tsp cayenne pepper 1/4 tsp ground ginger 1 Tbs honey 1 Tbs apple cider vinegar 2 Tbs water Mix ingredients. Take by the teaspoon as often as needed for cough. Do not give to infants under 12 months due to the honey. It is dangerous for babies.