What are hiccups?
A person with hiccups has spasms of the diaphragm. The diaphragm is a strong layer of muscle that separates the chest from the abdomen. The diaphragm tightens and relaxes during breathing. Hiccups may be caused by irritation of the nerves that control movement of the diaphragm.

What are the symptoms of hiccups?
Symptoms of hiccups depend on the underlying cause. Symptoms that may be present with hiccups include abdominal swelling, belching, indigestion, heartburn, and nausea.

How does the doctor treat hiccups?
Treatment for hiccups depends on the underlying cause. Most cases of hiccups resolve without treatment in less than an hour.