II. Indications

  1. Uses with good supporting evidence
    1. Morning Sickness or Hyperemesis Gravidarum
    2. Postoperative Nausea or Vomiting
  2. Uses with variable evidence to support
    1. Osteoarthritis
    2. Chemotherapy-Induced Nausea
  3. Conditions in which Ginger is ineffective (avoid)
    1. Motion Sickness

III. Dosing

  1. General range: 250 to 1000 mg orally daily to four times daily
  2. Pregnancy-induced Nausea: 250 mg orally four times daily

IV. Adverse Effects

  1. Mild gastrointestinal upset (e.g. Reflux, Eructation or Diarrhea)
  2. Antiplatelet effects
    1. May increase bleeding risk (avoid within 2 weeks of surgery)
  3. Hypoglycemia

V. Safety

  1. Pregnancy
    1. Mixed safety results
      1. If used in pregnancy, then use with caution and limit to first trimester
      2. Late pregnancy use is associated with bleeding, prematurity and decreased Head Circumference in some studies
        1. Other studies have shown no increased risk of preterm birth or low birth weight
    2. Effects
      1. Ginger affects Testosterone binding
      2. Ginger affects Thromboxane synthetase activity
      3. Animal studies showed increased Embryo loss
    3. References
      1. Larimore (2000) Prim Care 27(1): 35-53 [PubMed]

VI. Drug Interactions

  1. No major P450 or P-Glycoprotein interactions
  2. Warfarin (Coumadin)
    1. Possible interaction

VII. Efficacy: Ginger appears effective in Morning Sickness

  1. Effective, safe and well tolerated
    1. Smith (2004) Obstet Gynecol 103:639-45 [PubMed]
  2. Dose of 250 mg four times daily showed benefit in 70% of cases
    1. Vutyavanich (2001) Obstet Gynecol 97:577-82 [PubMed]

VIII. Cost

  1. Inexpensive (<$20 per month)

IX. References

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Ontology: Ginger extract (C0939895)

Definition (NCI) An extract of the rhizome of the perennial plant Zingiber officinale with potential antineoplastic activity. Ginger extract contains a number of different phenolic compounds, some of which have displayed antineoplastic, anti-inflammatory, and antioxidant activities. This agent also exhibits antiemetic properties.
Definition (PDQ) A rhizome herb isolated from the plant Zingiber officinale with potential antineoplastic activity. Ginger contains a number of different phenolic compounds, some of which have displayed antineoplastic, anti-inflammatory, and antioxidant activities. This agent also exhibits antiemetic properties. Check for "http://www.cancer.gov/Search/ClinicalTrialsLink.aspx?id=38711&idtype=1" active clinical trials or "http://www.cancer.gov/Search/ClinicalTrialsLink.aspx?id=38711&idtype=1&closed=1" closed clinical trials using this agent. ("http://nciterms.nci.nih.gov:80/NCIBrowser/ConceptReport.jsp?dictionary=NCI_Thesaurus&code=C2691" NCI Thesaurus)
Concepts Pharmacologic Substance (T121) , Organic Chemical (T109)
English Ginger Extract, ginger (medication), gingers, ginger extract, extract ginger, ginger, Ginger, Ginger extract, GINGER