Herbal medicine , also called botanical medicine or phytomedicine, refers to using a plant's seeds, berries, roots, leaves, bark, or flowers for medicinal purposes. Herbalism has a long tradition of use outside of conventional medicine. It is becoming more mainstream as improvements in analysis and quality control along with advances in clinical research show the value of herbal medicine in the treating and preventing disease
What is herbal medicine good for?
Herbal medicine is used to treat many conditions, such as asthma, eczema, premenstrual syndrome, rheumatoid arthritis, migraine, menopausal symptoms, chronic fatigue, irritable bowel syndrome, and cancer, among others. Herbal supplements are best taken under the guidance of a trained health care provider. For example, one study found that 90% of arthritic patients use alternative therapies, such as herbal medicine.Be sure to consult with your doctor or pharmacist before taking any herbs. Some common herbs and their uses are discussed below.
* Ginkgo (Ginkgo biloba) has been used in traditional medicine to treat circulatory disorders and enhance memory. Although not all studies agree, ginkgo may be especially effective in treating dementia (including Alzheimer's disease) and intermittent claudication (poor circulation in the legs). It also shows promise for enhancing memory in older adults. Laboratory studies have shown that ginkgo improves blood circulation by dilating blood vessels and reducing the stickiness of blood platelets. By the same token, this means ginkgo may also increase the effect of some blood thinning medications, including aspirin. People taking blood thinning medications should ask their doctor before using ginkgo. Caution should also be taken with people with a history of seizures and people with fertility issues; speak with your physician.
* Kava kava (Piper methysticum) is said to elevate mood, enhance well being and contentment, and produce a feeling of relaxation. Several studies have found that kava may be useful in the treatment of anxiety, insomnia, and related nervous disorders. However, there is serious concern that kava may cause liver damage. It's not clear whether the kava itself caused liver damage in a few people, or whether it was taking kava in combination with other drugs or herbs. It's also not clear whether kava is dangerous at previously recommended doses, or only at higher doses. Some countries have taken kava off the market. It remains available in the United States, but the Food and Drug Administration (FDA) issued a consumer advisory in March of 2002 regarding the "rare" but potential risk of liver failure associated with kava containing products.
* Saw palmetto (Serenoa repens) is used by more than 2 million men in the United States for the treatment of benign prostatic hyperplasia (BPH), a non cancerous enlargement of the prostate gland. A number of studies suggest that the herb is effective for treating symptoms, including frequent urination, having trouble starting or maintaining urination, and needing to urinate during the night. But a well-conducted study published in the February 9, 2006 edition of the New England Journal of Medicine found that saw palmetto was no better than placebo in relieving the signs and symptoms of BPH.
* St. John's wort (Hypericum perforatum) is well known for its antidepressant effects. In general, most studies have shown that St. John's wort may be an effective treatment for mild to moderate depression, and has fewer side effects than most other prescription antidepressants. But the herb interacts with a wide variety of medications, including birth control pills, and can potentially cause unwanted side effects, so it is important to take it only under the guidance of a health care provider.
* Valerian (Valeriana officinalis) is a popular alternative to commonly prescribed medications for sleep problems because it is considered to be both safe and gentle. Some studies bear this out, although not all have found valerian to be effective. Unlike many prescription sleeping pills, valerian may have fewer side effects, such as morning drowsiness. However, Valerian does interact with some medications, particularly psychiatric medications, so you should speak to your doctor to see if Valerian is right for you.
* Echinacea preparations (from Echinacea purpurea and other Echinacea species) may improve the body's natural immunity. Echinacea is one of the most commonly used herbal products, but studies are mixed as to whether it can help prevent or treat colds. A review of 14 clinical studies examining the effect of echinacea on the incidence and duration of the common cold found that echinacea supplements decreased the odds of getting a cold by 58%. It also shortened the duration of a cold by 1.4 days. Echinacea can interact with certain medications and may not be right for people with certain conditions, for example people with autoimmune disorders or certain allergies. Speak with your physician.
Buying standardized herbal supplements helps ensure you will get the right dose and the effects similar to human clinical trials. Ask your doctor or pharmacist about which herbal supplements are best for your health concerns.
Calinda Acupuncture Clinic: 32 Adelaide Tambo Drive, Durban North, Durban
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