What causes the hicups?

Answer 1

Hicups are caused when you breathe air in too quickly. Sometimes when you cough you can get hicups. To stop them drink water or seven up. No other fizzy drinks work. [seven up sprite theyre the same]

Answer 2

contraction of the diaphragm that repeats several times per minute. In humans, the abrupt rush of air into the lungs causes the epiglottis to close, creating the ''Hic'' Sound