Ginger

On this page:

• Introduction
• What Ginger Is Used For
• How Ginger Is Used
• What the Science Says
• Side Effects and Cautions
• Sources
• For More Information

Introduction

This fact sheet provides basic information about the herbA plant or part of a plant used for its flavor, scent, or potential therapeutic properties. Includes flowers, leaves, bark, fruit, seeds, stems, and roots. ginger—uses, potential side effects, and resources for more information. Ginger is a tropical plant that has green-purple flowers and an aromatic underground stem (called a rhizome). It is commonly used for cooking and medicinal purposes.

What Ginger Is Used For

• Ginger is used in Asian medicine to treat stomach aches, nausea, and diarrhea.
• Many digestive, antinausea, and cold and flu dietary supplements sold in the United States contain ginger extract as an ingredient.
• Ginger is used to alleviate postsurgery nausea as well as nausea caused by motion, chemotherapy, and pregnancy.
• Ginger has been used for rheumatoid arthritis, osteoarthritis, and joint and muscle pain.

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How Ginger Is Used

The underground stems of the ginger plant are used in cooking, baking, and for health purposes. Common forms of ginger include fresh or dried root, tablets, capsules, liquid extracts (tinctures), and teas.

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What the Science Says

• Studies suggest that the short-term use of ginger can safely relieve pregnancy-related nausea and vomiting.
• Studies are mixed on whether ginger is effective for nausea caused by motion, chemotherapy, or surgery.
• It is unclear whether ginger is effective in treating rheumatoid arthritis, osteoarthritis, or joint and muscle pain.
• NCCAM-funded investigators have looked at whether ginger interacts with drugs, such as those used to suppress the immune system, and ginger’s effects on reducing nausea and vomiting. Investigators are also studying:
  • The general safety and effectiveness of ginger’s use for health purposes, as well as its active components and effects on inflammation.
  • The effects of ginger dietary supplements on joint inflammation, rheumatoid arthritis, and osteoporosis.

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Side Effects and Cautions

• Few side effects are linked to ginger when it is taken in small doses.
• Side effects most often reported are gas, bloating, heartburn, and nausea. These effects are most often associated with powdered ginger.
• Tell all your health care providers about any complementary and alternative practices you use. Give them a full picture of what you do to manage your health. This will help ensure coordinated and safe care. For tips about talking with your health care providers about CAMA group of diverse medical and health care systems, practices, and products that are not presently considered to be part of conventional medicine. Complementary medicine is used together with conventional medicine, and alternative medicine is used in place of conventional medicine., see NCCAM’s Time to Talk campaign.

Search the scientific literature for potential herb-drug interactions

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Sources

• Ginger. Natural Medicines Comprehensive Database Web site. Accessed at www.naturaldatabase.com on July 6, 2009.
• Ginger (Zingiber officinale). In: Coates P, Blackman M, Cragg G, et al., eds. Encyclopedia of Dietary Supplements. New York, NY: Marcel Dekker; 2005:241–248.
• Ginger (Zingiber officinale Roscoe). Natural Standard Database Web site. Accessed at www.naturalstandard.com on July 6, 2009.
• Ginger root. In: Blumenthal M, Goldberg A, Brinckman J, eds. Herbal Medicine: Expanded Commission E Monographs. Newton, MA: Lippincott Williams & Wilkins; 2000:153–159.

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