Hiccup; Causes, Symptoms, Diagnosis, Treatment

Hiccup (also spelled hiccough) is an involuntary contraction (myoclonic jerk) of the diaphragm that may repeat several times per minute. The hiccup is an involuntary action involving a reflex arc.[rx] Once triggered, the reflex causes a strong contraction of the diaphragm followed about 0.25 second later by closure of the vocal cords, which results in the classic “hic” sound. Hiccups are diaphragmatic muscle contractions … [Read more…]