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Quick Answer. Hiccups resulting from surgery may be caused by a reaction to anesthesia or happen as a result of abdominal surgery or medical procedures such as a tracheotomy, states Healthline. Using a catheter to access the heart, bronchoscopy or using a stent in the esophagus can also result in long-term hiccups.
Chemo Hiccups. Causes of and cures for chemo hiccups. Chemo hiccups (singultus) can be caused by corticosteroids given for nausea control, such as Decadron (Dexamethosone). Curiously, decadron-induced hiccups mainly affect men, especially older men, and not women. The good news is that people who suffer from chemo hiccups are much less likely to suffer from nausea and vomitting.