Natural Remedies: Some people find that peppermint or ginger are beneficial in reducing nausea. Dimenhydrinate is safe for children older than age 2.Take these medicines at least 30 to 60 minutes before you travel. To stop motion sickness from getting worse, try rolling down the window, taking deep breaths, and overthecounter (OTC) meds if necessary. Motion sickness happens when the movement you see is different from what your inner ear senses. This can cause dizziness, nausea, and vomiting. Sips of cold water or a carbonated drink, like seltzer or ginger ale, may also help curb your nausea. INCREASE VENTILATION: When motion sickness symptoms start to arise, getting fresh air can help ease your symptoms. Most people who experience motion sickness have mild symptoms that can be treated with common remedies. Motion sickness typically occurs after a triggering motion or event.