Limit intake of sweet foods, which may enhance nausea. Include foods that have a concentrated caloric and nutrient density in order to maximize intake in a small volume. Avoid fatty or greasy foods. They take longer to digest Drink beverages separate from eating foods. Keep dry, complex carbohydrates around to nibble on, especially before getting up in the morning.
Some women find that low sugar, carbonated beverages help.
Try soda water mixed with a little juice. Drink slowly, a few sips at a time. Drink ginger ale or ginger tea, or nibble on ginger snaps. Researchers who have studied ginger have found it to work as well, or better than, some pharmaceuticals in fighting motion sickness and morning sickness. Be sure to drink in order to avoid dehydration.