Cinnamon contains chemicals called catechins, which help relieve nausea. Catechins also occur in agrimony, barley , bilberries, chinaberries, dog rose, English oak, hops , hawthorn, motherwort , northern red oak, olives, pears, pecans, sage , strawberries, tea and white willow . Cinnamon Originally grown in southern Asia, cinnamon was used as a treatment for fever and diarrhea long before it became known as a kitchen spice. Peppermint tea is a powerful antispasmodic, meaning that it stops muscle spasms in the digestive tract, including those involved in vomiting. Assorted essential oils.
Aromatherapy can also help relieve nausea and vomiting.
Essential oils of peppermint and rosewood have been suggested for treating nausea. Oils of black pepper, camomile, camphor, fennel , lavender , peppermint and rose are recommended for relieving vomiting. Place a drop or two of the essential oil or oils that you're trying in a tablespoon of vegetable oil and massage the mixture into your chest so the aroma can be inhaled easily. Remember, though, that essential oils are for external use only. Carminatives are used mostly to treat indigestion and infant colic, but many respected herbalists also recommend them for nausea.