The traveller sees what he sees,the tourist sees what he has come to see. Quoted by famous writter GK.Chesterton.
You can definitely prevent vomiting if you following these things.
1.Don't eat just before the traveling.
2.Avoid food with salts.
3. Avoid milk and milk products.
4. Do not drink more liquids than solids, if stomach is full with liquids is increases the chance of motion sickness.
5.Can take small amount of sugarcane juice just before the journey,it's helps in reducing the acidity of the stomach.
6. Never drink water in a moving bus.
7. Sweet with fruit taste candy which can be kept in the mouth reduces the sensation of nausea.
8.Chew cardamom.
9.Smell eucalyptus oil during the journey.
10.Put news paper on a seat and then sit on the news paper will reduce the motion sickness.
11.If you are on a bus, don't put your feet on the bus floor.Put on the pipe down there.
12.Sit on a thick cushion avoid shocks during the travelling.
12. Every time you travel long distance take an eye mask.
13.Use chewing gums.
14.Avoid burning fumes and smokes from other vehicles.
15.If someone in your vehicle is vomiting avoid looking at them,try not listen the vomiting sound they make.
16.To be comfortable physically and be involved in the nature beauty like greenery, clouds etc..
17.To avoid suffocation.
18. Try to sleep when you are feeling uneasy.
19.Avoid all kind of noises which causes headache.
20.Listen to your favourite music.
21.You can hug the small bag to the stomach and not to the chest.Which restricts the movements of food inside.
22.If you are on a bus journey do not sit at the back of vehicle.
23.Do not read anything during travelling,because it produces confusion between eyes and vestibular system.
25.Avoid playing games.
26.Avoid smoking.
27.Smell and eat a lemon.
28.Open the Window of the vehicle to get fresh air and enjoy the nature.
29.Taking a tablet according to doctors prescription is helpful.
Happy travelling. ......