Herbal Medicines

Herbal Medicines - Herbal Medicines This chapter covers...

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Herbal Medicines This chapter covers those with presumed or claimed CNS effects Have been around since ancient times FDA has very little control over these, few safeguards exist Hard to evaluate efficacy due to incomplete knowledge of active ingredients, absence of standardization, different purities Since the 1994 Dietary Supplement Health Education Act, any product could be labeled a “supplement” as long as made no claim to affect a “disease.” (ie. CAN claim to promote emotional balance but CANNOT claim to alleviate depression) Fatigue, headache, insomnia, depression and anxiety are top reasons patients seek alternative treatments St John’s Wort Background – named for St John the Baptist because blooms around his feast day, red symbolic color Active ingredient is hypericin (“to overcome an apparition”) Most labels overstate the amount In Germany, it is licensed for treatment of anxiety, depression , and insomnia In US, it is legally sold as dietary supplement, perhaps to promote emotional balance Peak levels of hypericin achieved about 5 hours after oral administration, half-life is about 25 hours, takes about 4-6 days to achieve steady-state in brain
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Herbal Medicines - Herbal Medicines This chapter covers...

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