Motion and nauseau treatments help those who get motion sickeness to feel better while travelling. Motion sickness can cause vomiting, dizziness and nausea when travelling on boats, cars, or airplanes. Motion and nausau treatments help settle the stomach while travelling. Some of these products can cause people to become drowsy and fall asleep, while others do not. Rate the products listed below or click the feedback tab at the bottom of the page.