Vomiting — the act of expelling stomach contents through the mouth (emesis).
食中毒で激しい嘔吐と下痢が続いた。
Severe vomiting and diarrhea continued due to food poisoning.
医師は嘔吐が止まらない場合、病院で点滴が必要になると説明した。
The doctor explained that if vomiting doesn't stop, an IV at the hospital may be necessary.