Answer:
Hiccups are involuntary contractions of the diaphragm.
They may result from eating a large meal, Swallowing air with chewing gum or sucking on candy, alcoholic or carbonated drinks or sudden excitement.
In some cases, hiccups may be a sign of an underlying medical condition.
Some illnesses for which hiccups may be a symptom of are pleurisy of the diaphragm, pneumonia, uremia, alcoholism, disorders of the stomach or esophagus, and bowel diseases.