Focus on the horizon or on a distant, stationary object. Motion sickness happens when the movement you see is different from what your inner ear senses.This can cause dizziness, nausea, and vomiting. Some studies suggest that acupressure may help reduce symptoms of motion sickness in the same way as acupuncture. Dimenhydrinate: An over-the-counter antihistamine that helps with motion sickness. However, you may find that using OTC drugs containing dimenhydrinate (Dramamine), diphenhydramine (Benadryl), or meclizine (Antivert) may help. Learn more about Motion Sickness, including, diagnosis, symptoms, treatment, recovery, and follow-up care. Find a doctor for Motion Sickness. The telephone number for scheduling transportation is 240-777-5899. When calling, you will be asked a list of screening questions to determine eligibility.