胃腸風邪
Meanings
1
gastroenteritis; stomach flu
Commonly used in everyday conversation to refer to acute gastrointestinal illness with symptoms like vomiting and diarrhea. The medical term 胃腸炎 is more formal.
See also: 胃腸炎
I've been laid up with stomach flu since yesterday.
Stomach flu is going around, so please be careful.