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Herbs for Depression


Are herbs used to treat depression?
- Please see Herb Safety

In the past few years, much interest has risen in the use of herbs in the treatment of both depression and anxiety. St. John's wort (Hypericum perforatum), an herb used extensively in the treatment of mild to moderate depression in Europe, has recently aroused interest in the United States. St. John's wort, an attractive bushy, low-growing plant covered with yellow flowers in summer, has been used for centuries in many folk and herbal remedies. Today in Germany, Hypericum is used in the treatment of depression more than any other antidepressant. However, the scientific studies that have been conducted on its use have been short-term and have used several different doses.

Because of the widespread interest in St. John's wort, the National Institutes of Health (NIH) is conducting a 3-year study, sponsored by three NIH components-the National Institute of Mental Health, the National Center for Complementary and Alternative Medicine, and the Office of Dietary Supplements. The study is designed to include 336 patients with major depression, randomly assigned to an 8-week trial with one-third of patients receiving a uniform dose of St. John's wort, another third a selective serotonin reuptake inhibitor commonly prescribed for depression, and the final third a placebo (a pill that looks exactly like the SSRI and the St. John's wort, but has no active ingredients). The study participants who respond positively will be followed for an additional 18 weeks. After the 3-year study has been completed, results will be analyzed and published.

The Food and Drug Administration issued a Public Health Advisory on February 10, 2000. It stated that St. John's wort appears to affect an important metabolic pathway that is used by many drugs prescribed to treat conditions such as heart disease, depression, seizures, certain cancers, and rejection of transplants. Therefore, health care providers should alert their patients about these potential drug interactions. Any herbal supplement should be taken only after consultation with the doctor or other health care provider. The long term use of many products needs further investigation to ensure they are safe. Keep in mind that adverse reactions to herbs can vary from person to person.

Medications - Psychotherapies


How to Help Yourself

How Family and Friends Can Help the Depressed Person

Where to Get Help



Brain and Mental Health


References and Sources: Medline, Pubmed, National Institutes of Health


last update: February 2009


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