1, mostly related to diet, such as eating too fast, being full, eating very hot or cold food and drinks, drinking alcohol, etc.

3. Changes in external temperature and excessive smoking can also lead to hiccups.

2. Some patients with gastrointestinal diseases and cerebrovascular diseases will also burp.

Extended data:

Causes of hiccups:

1.

Hiccup reflex arc inhibition function is lost. The most important part of organic diseases is medulla oblongata, including brain tumor, cerebrovascular accident, encephalitis and meningitis. Metabolic diseases include uremia, alcoholism and others such as multiple sclerosis.

2. Externality

The centripetal path of hiccup reflex arc is stimulated. The stimulation of phrenic nerve includes mediastinal tumor, esophagitis, esophageal cancer and thoracic aortic aneurysm. Peridiaphragmatic diseases, such as pneumonia, pleurisy, pericarditis, myocardial infarction, subphrenic abscess, esophageal hiatus hernia, etc. Vagal nerve stimulation includes gastric dilatation, gastritis, gastric cancer, pancreatitis and so on.

3. Others

Drugs, general paralysis, postoperative, mental factors, inner ear and prostate diseases can also cause hiccups.

References:

Hiccup _ Baidu Encyclopedia