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Alternative medicine
By Mayo Clinic staffAlternative therapies probably won't cure your cold, but they may help make you more comfortable by easing your symptoms.
Echinacea. Whether taking preparations of the herb echinacea protects you from getting a cold or relieves cold symptoms continues to be debated. While no studies have shown that taking echinacea can prevent you from getting a cold, there is some evidence that it can modestly relieve cold symptoms or shorten the duration of a cold. Echinacea seems most effective when taken soon after cold symptoms are first experienced.
Vitamin C. There's no evidence that taking large doses of vitamin C reduces your risk of catching cold. However, there is some evidence that high doses of vitamin C — up to 6 grams a day — may have a small effect in reducing the duration of cold symptoms.
Zinc. There's evidence that zinc nasal sprays or lozenges taken at the beginning of a cold may help reduce symptoms. While some studies also suggest zinc nasal sprays can be helpful, many users experienced permanent loss of smell and therefore the use of these sprays is discouraged.
- Gwaltney JM. The common cold. In: Mandell GL, et al. Principles and Practice of Infectious Diseases. 6th ed. Philadelphia, Pa.: Elsevier Churchill Livingstone; 2005. http://www.mdconsult.com/das/book/body/107482514-6/0/1259/1.html?tocnode=51375605&fromURL=1.html. Accessed Oct. 15, 2008.
- Health matters: The common cold. National Institute of Allergy and Infectious Diseases. http://www.niaid.nih.gov/factsheets/cold.htm. Accessed Oct. 9, 2008.
- Guidelines for the prevention and treatment of influenza and the common cold. American Lung Association. http://www.lungusa.org. Accessed Oct. 9, 2008.
- Common cold. National Institute of Allergy and Infectious Diseases. http://www3.niaid.nih.gov/topics/commonCold/. Accessed Oct. 15, 2008.
- Many OTC medications not recommended for cough treatment. American College of Chest Physicians. http://www.chestnet.org. Accessed Oct. 9, 2008.
- Mabry RL, et al. Allergic rhinitis. In: Cummings CW, et al. Otolaryngology: Head and Neck Surgery. 4th ed. St. Louis, Mo.: Mosby; 2005. http://www.mdconsult.com/das/book/body/108305975-4/763572162/1263/394.html#4-u1.0-B0-323-01985-4..50045-9--cesec13_1707. Accessed Oct. 24, 2008.
- New cough guidelines urge adult whooping cough vaccine. American College of Chest Physicians. http://www.chestnet.org/. Accessed Oct. 15, 2008.
- Infant deaths associated with cough and cold medications - United States, 2005. Centers for Disease Control and Prevention. http://www.cdc.gov/media/mmwrnews/2007/n070111.htm. Accessed Oct. 23, 2008.
- Hopkins AB. Chicken soup cure may not be a myth. The Nurse Practitioner. 2003;28(6):16.
- Zinc. Natural Medicines Comprehensive Database. http://www.naturaldatabase.com. Accessed Oct. 8, 2008.
- Reynolds SA, et al., Hand sanitizer alert. Centers for Disease Control and Prevention. http://www.cdc.gov/ncidod/EID/vol12no03/05-0955.htm. Accessed Oct. 3, 2008.
- Aminoff MJ, et al. Disorders of cognitive function - Reye syndrome. In: Aminoff MJ, et al. Clinical Neurology. 6th ed. New York, N.Y.: The McGraw-Hill Companies; 2005. http://www.accessmedicine.com/content.aspx?aID=2079232&searchStr=reye+syndrome. Accessed Oct. 24, 2008.
- Echinacea. Natural Medicines Comprehensive Database. http://www.naturaldatabase.com. Accessed Oct. 9, 2008.
- Vitamin C (ascorbic acid). Natural Medicines Comprehensive Database. http://www.naturaldatabase.com. Accessed Oct. 9, 2008.
- Transcript of FDA press conference on cough and cold medicine. Food and Drug Administration. http://www.fda.gov/bbs/transcripts/2008/coughcold_transcript011708.pdf. Accessed Oct. 10, 2008.
- FDA statement following CHPA's announcement on nonprescription over-the-counter cough and cold medicines in children. U.S. Food and Drug Administration. http://www.fda.gov/bbs/topics/NEWS/2008/NEW01899.html. Accessed Oct. 9, 2008.
