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Nutritional Supplement

American Scullcap

Side Effects

Use of scullcap in recommended amounts is generally safe. However, scullcap use during pregnancy and breast-feeding should be avoided due to limited information about its safety. Cases of liver damage have been reported in association with the intake of scullcap. However, on closer examination, it appears these scullcap products actually contained germander (Teucrium chamaedrys), an herb known to cause liver damage.8

One case report exists of a 28-year-old man who died of liver failure after taking unspecified amounts of scullcap, pau d’arco and zinc.9 It appears likely that this, too, may have been a case of adulteration of scullcap with germander.10

References

1. Foster S. Herbs for Your Health. Loveland, CO: Interweave Press, 1996, 86-7.

2. Brown DJ. Herbal Prescriptions for Better Health. Rocklin, CA: Prima Publishing, 1996, 279.

3. Blumenthal M, Busse WR, Goldberg A, et al. (eds). The Complete German Commission E Monographs: Therapeutic Guide to Herbal Medicines. Austin: American Botanical Council and Boston: Integrative Medicine Communications, 1998, 147, 160-1.

4. Murray MT. The Healing Power of Herbs. Rocklin, CA: Prima Publishing, 1995.

5. Murray MT. The Healing Power of Herbs. Rocklin, CA: Prima Publishing, 1995.

6. Hoffman D. The Herbal Handbook: A User's Guide to Medical Herbalism. Rochester, VT: Healing Arts Press, 1988, 77.

7. Hoffmann D. The New Holistic Herbal. New York: Barnes & Noble Books, 1990, 233.

8. McGuffin M, Hobbs C, Upton R, Goldberg A. American Herbal Products Association's Botanical Safety Handbook. Boca Raton, FL: CRC Press, 1997, 105.

9. Hullar TE, Sapers BL, Ridker PM, et al. Herbal toxicity and fatal hepatic failure [letter]. Am J Med 1999;106:267-8.

10. Brown D. A case of fatal liver failure associated with herbal products. Healthnotes Rev Complement Integrative Med 1999;6:176-7.

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The information presented by TraceGains is for informational purposes only. It is based on scientific studies (human, animal, or in vitro), clinical experience, or traditional usage as cited in each article. The results reported may not necessarily occur in all individuals. For many of the conditions discussed, treatment with prescription or over the counter medication is also available. Consult your doctor, practitioner, and/or pharmacist for any health problem and before using any supplements or before making any changes in prescribed medications. Information expires December 2020.

Copyright © 2020 TraceGains, Inc. All rights reserved.

The information presented by TraceGains is for informational purposes only. It is based on scientific studies (human, animal, or in vitro), clinical experience, or traditional usage as cited in each article. The results reported may not necessarily occur in all individuals. Self-treatment is not recommended for life-threatening conditions that require medical treatment under a doctor's care. For many of the conditions discussed, treatment with prescription or over the counter medication is also available. Consult your doctor, practitioner, and/or pharmacist for any health problem and before using any supplements or before making any changes in prescribed medications. Information expires December 2020.