Medicinal uses for ginger include treatment for nausea and vomiting after surgery, motion sickness, upset stomach and diarrhea, according to WebMD. Individuals also use ginger to treat colic, arthritis, respiratory tract infections and burns.
The root of the ginger plant contains chemicals that reduce inflammation and relieve nausea, states WebMD. Its medicinal forms include the fresh root, powder from the dried root, juice and oil. While it is likely safe for most people, it can cause mild side effects, such as heartburn, diarrhea and stomach upset. Pregnant women, nursing mothers, and individuals who suffer from heart disease, diabetes or bleeding disorders should consult a doctor before taking ginger for medicinal purposes.