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Abstract The common cold is the leading cause of doctor visits in the United States and annually results in 189 million lost school days. In the course of one year the U.S. population contracts approximately 1 billion colds. Influenza infection is still a leading cause of morbidity and mortality, accounting for 2025 million doctor visits and 36,000 deaths per year in the United States. Conventional therapies for colds and flu focus primarily on temporary symptom relief and include over-the-counter antipyretics, anti-inflammatories, and decongestants. Treatment for influenza also includes prescription antiviral agents and vaccines for prevention. This article reviews the common cold and influenza viruses, presents the conventional treatment options, and highlights select botanicals (Echinacea spp., Sambucus nigra, larch arabinogalactan, Astragalus membranaceous, Baptisia tinctoria, Allium sativa, Panax quinquefolium, Eleutherococcus senticosus, Andrographis paniculata, olive leaf extract, and Isatis tinctoria) and nutritional considerations (vitamins A and C, zinc, high lactoferrin whey protein, N-acetylcysteine, and DHEA) that may help in the prevention and treatment of these conditions. Introduction The common cold, also referred to as acute viral nasopharyngitis, is a mild, self-limiting infectious disease that can be caused by more than 100 different viruses. Of these, rhinoviruses and coronaviruses are responsible for approximately 50-70 percent of all colds. (1,2) Colds were known to man even in ancient Egypt where they were depicted in hieroglyphs. The Greek physician Hippocrates described the disease as early as the 5th century BC. In 1914, Walter Kruse, a German professor, demonstrated that viruses, not bacteria, cause the common cold, (3) but the finding was not widely accepted until the 1920s when Alphonse Dochez confirmed it in chimpanzees and humans. The term "cold" was likely derived from ancient physicians who described "cold conditions" and "warm conditions" that were dependent on or caused by cold or warm environments. In modern times the misnomer has persisted, possibly due to the viruses' effect on thermogenesis. People are thought to associate the shivering from a viral-induced fever with shivering from being in a cold climate. (4) Although generally benign in symptomology, cold viruses are the most common infectious diseases humans contract and result in significant costs to the economy in lost workdays and school attendance. Adults average 2-4 colds per year and children 6-10, depending on age and exposure. (5) A 2003 study found common colds resulted in more than 100 million physician visits annually, at a cost of $7.7 billion. At least one-third of these patients received an antibiotic, even though they have no effect on viral infections, not only adding to the cost but also contributing to the development of antibiotic resistance. The study also found Americans spend nearly $3 billion annually on over-the-counter drugs that may not provide any symptom relief. In addition, an estimated 189 million school days are missed due to colds, which consequently result in 126 million missed workdays by parents who stay home to care for sick children. (6) Influenza is an acute respiratory illness caused primarily by the influenza virus (serotypes A and B). It occurs...
Source Citation (MLA 8 th Edition)
Roxas, Mario, and Julie Jurenka. "Colds and influenza: a review of diagnosis and conventional, botanical, and nutritional considerations." Alternative Medicine Review, Mar. 2007, p. 25+. Academic OneFile, Accessed 23 May 2018.
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