Swallow something sweet
A spoonful of sugar is a popular hiccups cure because its graininess could slightly irritate the esophagus, causing the phrenic nerves to “reset” themselves, although there is no proof of this. Here’s what your hiccups can reveal about your health.
…Or something sour
Take a teaspoonful of vinegar. Its sour taste could stop a hiccup in its tracks.