I just tried this remedy tonight, and it works. My wife, my son, and daughter all went right to sleep with only my daughter (worst case) coughing once. She kept us up for hours last night, until I mixed Apple cider vinegar, raw honey, and a little cayenne in a shot glass, and bingo. She has been coughing for weeks, and my son has a deep hoarse cough occasionally through the night. Looks good so far.