Hiccups happen when your diaphragm, the muscle below your lungs that controls breathing, suddenly contracts involuntarily. This reflex produces the distinctive "hic" sound as your vocal cords snap shut. Eating too quickly ranks among the most common triggers, along with swallowing air, sudden temperature changes in your mouth, or excitement.
Most hiccups stop on their own within minutes. Your body typically resolves them without intervention. However, several techniques work for people who want faster relief.
Holding your breath interrupts the hiccup reflex by building carbon dioxide in your bloodstream, which can reset your diaphragm's rhythm. Breathing into a paper bag produces a similar effect. Drinking water quickly or eating a spoonful of peanut butter both stimulate your throat muscles in ways that override the hiccup pattern.
Some people find success with the "startle method," where sudden fright resets your nervous system. Others report that gargling with ice water works. Pulling your knees to your chest and holding that position for 30 seconds applies gentle pressure to your diaphragm.
The reason hiccups exist remains somewhat mysterious. Evolutionary biologists suggest they're a leftover reflex from our amphibian ancestors. Whatever their origin, hiccups rarely indicate a health problem.
Persistent hiccups lasting more than 48 hours do warrant a doctor's visit, as they can signal underlying conditions affecting your diaphragm or nervous system. But the occasional hiccup after scarfing down lunch needs no treatment beyond patience or one of these simple remedies.
Prevention magazine consulted medical experts who confirmed these approaches, though they emphasized that most hiccups resolve naturally within a few minutes.