The medical form of ginger historically was called Jamaica ginger; it was classified as a stimulant and carminative and used frequently for dyspepsia, gastroparesis, slow motility symptoms, constipation, and colic. It was also frequently employed to disguise the taste of medicines. Ginger is on the FDA's "generally recognized as safe" list, though it does interact with some medications, including warfarin. Ginger is contraindicated in people suffering from gallstones as it promotes the production of bile. Ginger may also decrease pain from arthritis, though studies have been inconsistent, and may have blood thinning and cholesterol lowering properties that may make it useful for treating heart disease. An acute overdose of ginger is usually in excess of about 2 grams of Ginger per kilogram of body mass, dependent on level of ginger tolerance, and can result in a state of central nervous system over-stimulation called ginger intoxication or colloquially the "ginger gitters". Animal studies in 2010 suggests that nine compounds found in ginger may bind to human serotonin receptors, helping reduce anxiety.
Fresh and dried ginger is having the ability over head ache and most forms of head aches disappear when it is used internally and externally.
1. Tea brewed from ginger is common folk remedy for colds. Ginger ale and ginger beer are also drunk as stomach settlers in countries where the beverages are made. Ginger water was also used to avoid heat cramps in the United States.
2. In China, "ginger eggs" (scrambled eggs with finely diced ginger root) is a common home remedy for coughing. The Chinese also make a kind of dried ginger candy that is fermented in plum juice and sugared, which is also commonly consumed to suppress coughing.
3. Ginger has also been historically used to treat inflammation, which several scientific studies support, though one arthritis trial showed ginger to be no better than a placebo or ibuprofen for treatment of osteoarthritis.
In subcontinent ginger milk is used for the treatment of cold and cough.