Hi, thanks for your query at Healthcare Magic. Dymenhydrinate is a drug that can be used to treat nausea, vomiting, either nausea, vomiting due to motion sickness or nausea, vomiting caused by pregnancy. But in addition to reducing the effects of nausea, dimenhydrinate also can make us drowsy. If we really want to avoid motion sickness and can also rest then this drug can be drunk. But if you want to avoid motion sickness without feeling sleepy then you should avoid this drug. Some tips to prevent motion sickness from sleepiness are as follows: 1. Enzymes Drugs containing digestive enzymes can also be used to cope with motion sickness. Stress in the face of travel to make the stomach remove acid substances in excess this affects the condition of the stomach. With the help of digestive enzymes then the stomach condition will return to normal and when food into the stomach the food will be digested properly, so it will not release excess gas. 2. Vitamin B6 / B complex Vitamin B6 can also be used to overcome the nausea of ​​vomiting. Another benefit of vitamin b-complex is also to smooth blood circulation. 3. Candy that contain ginger / Mint Ginger / mint can also help the body to remove wind in the stomach. The first time to eat this candy may be a bit turbulent. But after the wind out we will feel better. 4. Avoid drinks that is too sweet, bitter or sour and soft drinks. 5. Avoid overeating and fatty food. Your husband can combine some of them to keep them fit during the trip. Maybe everyone will react differently to the case. So good luck.