What causes sudden stomachache at night?

Stomachache refers to stomachache. Sudden stomachache at night may be caused by cold, gastric ulcer, gastroenteritis and other factors. Correlation analysis is as follows:

1. Cold

night temperature is low, abdominal vasoconstriction after cold causes gastrointestinal metabolism to slow down, so that gastrointestinal blood supply is insufficient,

resulting in gastrointestinal spasm, causing stomachache

.