A physical terms, uncontrolled spasms of the diaphragm caused by hiccups. Each spasm breath, which makes a hiccup causes quick intake. Phrenic nerve, which controls the diaphragm is directly responsible for these cramps. A physical terms, the medical community has not reached consensus on why hiccups. One thing doctors agree on is that hiccups do not serve any useful purpose.There many factors that can cause a person to bottlenecks are. Some people drink or eating too fast gives constraints. Sometimes spicy food, hot food, or very cold food causes hiccups. Drinking alcohol can sometimes be hiccups. A quick intake of breath - sneezing, laughing, or coughing - can cause bottlenecks. Sometimes, no reason.Just easily identifiable as people have different ideas about what causes hiccups, they also disagree on ways to prevent them is not. Almost everyone knows at least one hiccup cure. Some families swear by their method, and refuse to believe any other work. Some kind of common treatment for hiccups include drinking a glass of water. Some people swear by gulping, others insist on small sips, and some require that you tilt your head up and down the opposite side of glass to make the hiccups go away drink.