Separation of solid and liquid food by at least 2 hours. Eating bland foods. Avoid bad odors. Eat some crackers before getting out of bed in the morning. Sit upright for 45 minutes after eating.
Some people find motion sickness bracelets help.
There are reports of acupuncture helping people. Psychotherapy to reduce emotional stresses. Bed rest helps some women. Many women find they are less nauseated when they are involved in activities at home and work. IV hydration Replacement of lost body salts Medications to decrease the feelings of nausea.