Nausea may induce vomiting so that it is also important to prevent it from happening. Alcoholic beverages are substances known to produce nausea, avoiding it and other substances and activities that would provoke its happening must be kept in mind.
Car sickness or seasickness are also significant in producing nausea.
If in a car or boat, focusing on a stationary object can be helpful. Sitting in the front seat and facing forward keeps the eyes and the ears coordinate together and sense the same thing.
If in a plane, choose an area that produces lesser sideway movements like in an aisle seat. If amidst the preventive measure, nausea is still experienced, then there are over-the-counter medications that can help prevent motion sickness effectively.
Although vomiting is just a normal reflex in most situations, it can be excessive if there is severe nausea. The moment the signs of vomiting are evident, then sipping clear fluids in small amounts can help prevent the reflex.
It also helps to rest in a cool and calm environment to help relax the mind.
Dehydration can be prevented by drinking lots of clear fluid. There are antiemetic drugs that can effectively prevent vomiting and alternative treatment that helps reduce nausea and ultimately prevent vomiting.