Herbal Supplements
Commonly Used Herb Supplements & Their Potential Hazards
Herbal
|
Common
|
Potential
|
Potential
|
Dong Quai (Angelica) |
To treat menopausal symptoms, PMS, dysmenorrhea |
Enhances bleeding; Hypersensitivity to sunlight |
Anticoagulants |
Echinacea |
To treat colds, flu, and mild infections, especially upper respiratory infections |
Hepatotoxicity; Intestinal upset |
Other hepatotoxic drugs; Anabolic steroids; Methotrexate |
Ephedra (Ma Huang, Ephedrine Pseudo-ephedrine) |
To treat asthma, cough, and to induce weight loss |
Seizures; Adverse cardiovascular events |
Cardiac glycosides; General anesthesia; MAO inhibitors; Decongestants, stimulants |
Garlic |
To decrease cholesterol and blood clot formation |
Enhances bleeding | Anticoagulants |
Ginger |
To relieve nausea |
Enhances bleeding; CNS depression; Hypotension; Cardiac Arrhythmia; Hypoglycemia |
Anticoagulants; Enhances the effects of barbiturates; Antihypertensives; Cardiac drugs; Hypoglycemic drugs |
Ginkgo Biloba |
To improve circulation, especially to brain; For memory loss, dizziness, and headache |
Enhances bleeding; Cramps, muscle spasms |
Anticoagulants |
Ginseng |
To increase energy and reduce stress |
Enhances bleeding; Tachycardia and hypertension; Mania |
Anticoagulants; Stimulants; Antihypertensives; Antidepressants/ Pheneizine; Digoxin; Potentiates the effects of corticosteroids and estrogens |
Goldenseal |
Used as a mild antibiotic to treat sore throats and upper respiratory infections |
Increases fluid retention; Hypertension; Nausea; Nervousness |
Diuretics; Antihypertensives |
Kava Kava |
To treat anxiety, nervousness, and insomnia |
Upset stomach; Allergic skin reaction, yellow discoloration of skin |
Potentiates the effects of antidepressants, barbiturates, and benzodiazepines; Skeletal muscle relaxants; Anesthetics |
Licorice |
To treat hepatitis and peptic ulcers |
Hypertension; Hypokalemia; Edema |
Antihypertensives; Potentiates the effects of corticosteroids |
SAM-e (S-adenosyl- L-methionine) |
To treat depression or osteoarthritis |
Mimics serotonin; Nausea, upset stomach |
Drugs that can increase or mimic serotonin, such as antidepressants |
St. John’s Wort |
To treat mild depression, anxiety, seasonal affective disorder |
Enhances bleeding | Anticoagulants; Antidepressants; Decreases the effectiveness of cyclosporine, antiviral drugs; Digoxin; Dextrometorphan; Prolongs the effects of general anesthetics; MAO inhibitors |
Valerian |
To treat insomnia, anxiety |
Sedation; Digestion Problems |
Potentiates the effects of barbiturates |
References
Dong Quai
Page RL, Lawrence JD Potentiation of Warfarin by dong quai. Pharmacotherapy 1999;19:870-6
Echinacea
See DM, Broumand N, Sahl L, Tilles JG In vitro effects of echinacea and ginseng on natural killer and antibody-dependent cell cytotoxicity in healthy subjects and chronic fatigue syndrome or acquired immunodeficiency syndrome patients. Immunopharmacology 1997;35:229-235
Ephedra/Ma Huang
Haller CA, Benowitz NL Adverse cardiovascular and central nervous system events associated with dietary supplements containing ephedra alkaloids. N Engl J Med 2000;343:1833-1838
Powell T, Hsu FF, Turk J, Hruska K Ma-huang strikes again: ephedrine nephrolithiasis. Am J Kidney Dis 1998;32:153-159
White LM, Gardner SF, Gurley BJ, Marx MA, Wang PL, Estes M Pharmacokinetics and cardiovascular effects of ma-huang (Ephedra sinica) in normotensive adults. J Clin Pharmacol 1997 Feb;37(2):116-22
Garlic
Srivastava KC Evidence for the mechanism by which garlic inhibits platelet aggregation. Prostaglandins Leukot Med 1986 Jun;22(3):313-21
Apitz-Castro R, Escalante J, Vargas R, Jain MK Ajoene, the antiplatelet principle of garlic, synergistically potentiates the antiaggregatory action of prostacyclin, forskolin, indomethacin and dypiridamole on human platelets. Thromb Res 1986;42:303-311
Silagy CA, Neil HA A meta-analysis of the effect of garlic on blood pressure. J Hypertens 1994 Apr;12(4):463-8
Ginger
Phillips S, Ruggier R, Hutchinson SE Zingiber officinale (ginger)–an antiemetic for day case surgery. Anaesthesia 1993 Dec;48(12):1118
Gingko Biloba
Le Bars PL, Katz MM, Berman N, Itil TM, Freedman AM, Schatzberg AF A placebo-controlled, double-blind, randomized trial of an extract of Ginkgo biloba for dementia: North American EGb Study Group. JAMA 1997;278:1327-1332
Oken BS, Storzbach DM, Kaye JA The efficacy of Ginkgo biloba on cognitive function in Alzheimer disease. Arch Neurol 1998;55:1409-1415
Ginseng
Janetzky K, Morreale AP Probable interaction between warfarin and ginseng. Am J Health Syst Pharm 1997;54:692-693
Goldenseal
Rehman J, Dillow JM, Carter SM, Chou J, Le B, Maisel AS Increased production of antigen-specific immunoglobulins G and M following in vivo treatment with the medicinal plants Echinacea angustifolia and Hydrastis canadensis. Immunol Lett 1999 Jun 1;68(2-3):391-5
Kava Kava
Pittler MH, Ernst E Efficacy of kava extract for treating anxiety: systematic review and meta-analysis. J Clin Psychopharmacol 2000 Feb;20(1):84-9
Jappe U, Franke I, Reinhold D, Gollnick HPM Sebotropic drug reaction resulting from kava kava extract therapy: A new entitity? J Amer Acad Dermatol 1998; 38:104—6
Licorice
Fujisawa Y, Sakamoto M, Matsushita M, Fujita T, Nishioka K Glycyrrhizin inhibits the lytic pathway of complement–possible mechanism of its anti-inflammatory effect on liver cells in viral hepatitis Microbiol Immunol 2000; 44(9):799-804
SAM-e
Fava M, Giannelli A, Rapisarda V, Patralia A, Guaraldi GP Rapidity of onset of the antidepressant effect of parenteral S-adenosyl-L-methionine Psychiatry Res 1995 Apr 28;56(3):295-7
St. John’s Wort
Gaster B, Holroyd J St John’s wort for depression: a systematic review. Arch Intern Med 2000;160:152-156
Shelton RC, Keller MB, Gelenberg A, et al Effectiveness of St John’s wort in major depression. JAMA 2001;285:1978-1986
Lantz MS, Buchalter E, Giambanco V St. John’s wort and antidepressant drug interactions in the elderly. J Geriatr Psychiatry Neurol 1999;12:7-10
Valerian
Donath F, Quispe S, Diefenbach K, Maurer A, Fietze I, Roots I Critical evaluation of the effect of valerian extract on sleep structure and sleep quality Pharmacopsychiatry 2000 Mar;33(2):47-53
Other recommended journal articles regarding herbal supplements
Ang-Lee MK, Moss J, Yuan C Herbal Medicines and Perioperative Care JAMA 2001;286: 208-216
Kaye AD, Clarke RC, Sabar R, et al Herbal medications: current trends in anesthesiology practice—a hospital survey. J Clin Anesth 2000;12:468-471
Eisenberg DM, Davis RB, Ettner SL, et al Trends in alternative medicine use in the United States, 1990-1997: results of a follow-up study. JAMA 1998;280:1569-1575
Blendon RJ, DesRoches CM, Benson JM, Brodie M, Altman DE American’s views on the use and regulation of dietary supplements. Arch Intern Med 2001;161:805-810
Miller LG Herbal medicinals: selected clinical considerations focusing on known or potential drug-herb interactions. Arch Intern Med 1998 Nov 9;158(20):2200-11
Klepser TB, Klepser ME Unsafe and potentially safe herbal therapies. Am J Health Syst Pharm 1999 Jan 15;56(2):125-38
Hensrud DD, Engle DD, Scheitel SM Underreporting the use of dietary supplements and nonprescription medications among patients undergoing a periodic health examination. Mayo Clin Proc 1999;74:443-447
Anesthesiologists warn: if you’re taking herbal products, tell your doctor before surgery. Available at: http://www.asahq.org/PublicEduction/herbal.html. Accessed May 10, 2001.
Full text of DSHEA at HealthWorld Online
http://www.healthy.net/public/legal-lg/fedregs/S784_ENR.HTM