How do you know if you are going to vomit?

Signs that you may be about to vomit include a sudden feeling of nausea, increased salivation, and a sensation of unease in your stomach. You might also experience abdominal cramps or a feeling of tightness in your throat. Additionally, some people may feel lightheaded or dizzy before vomiting. Recognizing these symptoms can help you prepare for or manage the situation.