Ginger Root (Zingiber officinale Roscoe) is used as a culinary herb and medicine. In traditional medicine, the whole plant can be used for treating various symptoms. For example, the root is used for nausea, increasing appetite, abdominal bloating, cough, mucus, digestion by increasing the release of bile, stomach ulcer, and hypertension. Ginger stalk is used as carminative medicine, for treating calcali, aiding digestion, ridding parasites, etc. Its flower is for refreshing, ridding parasites, digestion, treating calcali, watery eye, strangury, dysentery, etc. Also, the fruit is for lowering fewer.

Several scientific studies have confirmed its medicinal properties in dizziness, travel sickness, morning sickness in pregnancy, nausea from cancer treatment (especially in leukemiaⁱ). A study found that consuming 940g of ginger powder helped relieve nauseating in dizzinessⁱⁱ. Eighty volunteers who took 1g of ginger root per day experienced less seasickⁱⁱⁱ. Both ginger and vitamin B6 can help reduce nausea and vomiting in pregnant women. It is found that taking 1.05g of ginger per day is as effective as taking 75g/day of vitamin B6 in relieving nausea in early pregnancy^iv. No side effect was found in 187 volunteered pregnant women and their babies^v. Studies also found that ginger (2g) help reduce nausea in women patient after gynaecological surgery^vi.

Many components in ginger that aids digestion and bloated and reduces bloated stomach are such as menthol, cineole, shogaol, acetone, gingerol, bomeol, fenchone, 6-gingerol, 10-ginerol, etc. Some of these components create propulsive movement and hence act as carminative^viiviii. Ginger and ulcer medicine that has ginger as a components (10-70%) are effective in treating stomach ulcer, reducing the release of acid or enzyme (pepsin). Therefore, they help relieve stomach pain^ix.

In addition, several research studies confirmed the anti-inflammatory property of ginger root. There was an experiment on 28 arthritis patients, 18 osteoarthritis patients, and 10 people with muscular discomfort. After taking ginger powder in different doses from 3 months to 2.5 years, the result showed 75% of all arthritis and osteoarthritis patients had less pain and swollen, and all patients with muscular discomfort had no pain. This is due to the inhibitor effect of ginger in deriving prostaglandin and leukotriene^x. Inflammation, pain, swollen and stiffness had reduced in arthritic patients who took ginger 5g/day for 3 months^xi. Another research compared the effectiveness of ginger (at 30mg twice daily in extract form), ibuprofen (400mg trice daily) and placebo in 120 osteoarthritis patients for one month. The study found that both ginger and ibuprofen were equally effective in reducing inflammation, stiffness, pain and swollen^xii.