Beverages
Certain beverages when taken in excess can trigger sudden episodes of hiccups. Some have the habit of consuming alcoholic beverages during meals. Well, there is no harm in it, but too much intake predisposes a person to hiccups. Too much alcohol consumption while having lunch or dinner causes irritation to the nerves controlling the diaphragm. The irritated nerves are likely to induce spasms into this dome shaped muscle.