• upper and lower respiratory tract infections with phlegm that is difficult to expel
• digestive complaints
- bloating & gas
• rheumatic conditions
• urinary tract infections (UTI)
• Volatile oils
• Tincture (1:5 in 45% EtOH): 2-5 ml tid
• Liquid extract (1:1 in 25% EtOH): 0.5-2 ml tid
• Decoction (dried root): 1 tsp tid
• Drug metabolism - furanocoumarins are known to inhibit cytochrome p450s (CYP3A4).
• Anticoagulants - may interact with coumarins
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Bone K. Principles and Practice of Phytotherapy. Edinburgh: Churchill Livingstone, 2000.
Bone K. A Clinical Guide to Blending Liquid Herbs: Herbal Formulations for the Individual Patient. St Louis, MO: Churchill Livingstone, 2003.
Brinker F. The Toxicology of Botanical Medicines, 3rd ed. Sandy, Oregon: Eclectic Medical Publications, 2000.
Felter HW, Lloyd JU. King's American Dispensatory. 1898. http://www.ibiblio.org/herbmed/eclectic/kings/main.html. Accessed: August 19, 2006.
Hoffman D. Medical Herbalism. Rochester, Vermont: Healing Arts Press, 2003.
Weiss RF. Herbal Medicine. Beaconsfield, England: Beaconsfield Publishers Ltd, 1988.
Williamson EM, ed. Major Herbs of Ayurveda. Edinburgh: Churchill Livingstone, 2002
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