1. Always carry some vitamin C tablets or orange sweet toffees
2. If traveling in an a/c car try to occupy the front seat, request the driver to drive at a low speed and keep one of the windows open to get rid of the air within
3. Avoid reading books or magazines while traveling
4. Always sit facing the road, never sit sideways
5. Avoid intake of food or liquids before or while traveling or try having a time gap of at least an hour between intake of food and journey. Intake smaller quantity of food
6. Avoid sitting on wheel humps or near the smell of petrol and diesel
7. Always take the window seat in case you feel like vomiting
8. Wear loose and comfortable clothing