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Natural and Alternative Treatments Index Page | Herbs & Supplements:

Skullcap

What Is Skullcap Used for Today? | Dosage | Safety Issues | References

Scutellaria lateriflora


Principal Proposed Uses
  • None
Other Proposed Uses
  • Anxiety; Insomnia


Native Americans as well as traditional European herbalists used skullcap to induce sleep, relieve nervousness, and moderate the symptoms of epilepsy, rabies, and other diseases related to the nervous system. In other words, skullcap was believed to function as an herbal sedative.

A relative of skullcap, Scutellaria baicalensis, is a common Chinese herb. However, the root instead of the above-the-ground portion of the plant is used, and overall effects appear to be far different. The discussion below addresses European skullcap (Scutellaria lateriflora) only.

 

What Is Skullcap Used for Today?

Skullcap is still popular as a sedative. Unfortunately, there has been virtually no scientific investigation of how well the herb really works. The only meaningful reported study was a small double-blind, placebo-controlled trial that found indications the herb might reduce anxiety levels in healthy volunteers.4 

 

Dosage

When taken by itself, the usual dosage of skullcap is approximately 1 to 2 g, 3 times a day. However, skullcap is more often taken in combination with other sedative herbs such as valerian, passionflower, hops, and melissa, also called lemon balm. When using an herbal combination, follow the label instructions for dosage. Skullcap is usually not taken long term.

 

Safety Issues

Not much is known about the safety of skullcap. However, if you take too much, it can cause confusion and stupor.1  There have been reports of liver damage following consumption of products labeled skullcap; however, since skullcap has been known to be adulterated with germander, an herb toxic to the liver, it may not have been the skullcap that was at fault.2,3  Safety in young children, pregnant or nursing women, or those with severe liver or kidney disease has not been established.


References [ + ]

1. Newall CA, Anderson LA, Phillipson JD. Herbal Medicines: A Guide for Health-Care Professionals. London, England: Pharmaceutical Press; 1996:239.

2. Newall CA, Anderson LA, Phillipson JD. Herbal Medicines: A Guide for Health-Care Professionals. London, England: Pharmaceutical Press; 1996:239.

3. MacGregor FB, Abernethy VE, Dahabra S, et al. Hepatotoxicity of herbal remedies. BMJ. 1989;299:1156–1157.

4. Wolfson P, Hoffmann DL. An investigation into the efficacy of Scutellaria lateriflora in healthy volunteers. Altern Ther Health Med. 2003;9:74-8.



Last reviewed December 2015 by EBSCO CAM Review Board
Last Updated: 12/15/2015

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