Drinking vinegar cannot stop coughing, not only can it not stop coughing, but also may cause coughing to aggravate. When coughing, it will mostly be accompanied by throat discomfort, and vinegar is irritating to throat. Drinking vinegar may cause stomach discomfort and increase stomach acid, which may cause acid reflux and throat discomfort, and dry cough and burning sensation may occur in the throat under the stimulation of stomach acid.