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10 ways to get rid of the cold and flu naturally

On March 19, 2014, Manalapan health Examiner Stacey Chillemi researched a variety of herbs, supplements, and food remedies that have been used for centuries to prevent colds and flu, reduce symptoms, or shorten the duration of colds and flu. Some of these time-honored remedies are showing promising results in research studies. Here is a rundown of some of the most popular natural remedies for colds and flu.

Different alternative methods and supplements that help heal the body from the cold and flu
Different alternative methods and supplements that help heal the body from the cold and flu
A woman suffering from the flu
  • Kimchi, Sauerkraut, Kefir, and Yogurt: Kimchi (pronounced kim'-chee) is a Korean spicy fermented side dish that has been getting a lot of press since the BBC published a report by scientists in Seoul, Korea who found that 11 of 13 chickens infected with the avian flu started to recover after they were fed an extract of kimchi. The key ingredient is a natural organic acid called lactic acid that is also found in sauerkraut, milk, yogurt, kefir (a yogurt-like effervescent beverage), meat, and beer. Popular probiotic "friendly bacteria" supplements such as lactobacillus acidophilus produce lactic acid. A German double blind, placebo-controlled study involving 477 people found that those who took a daily probiotic supplement had significantly less respiratory tract infections. People who caught the flu had fewer symptoms and shorter fever duration.
  • Elderberry: The berry extract from elderberry (Sambucus nigra) contains more than one compound that is active against flu viruses. One of the many ways it works is by preventing the virus from attacking cells. A study found a 50% reduction in the severity and duration of symptoms in adults and children after taking an elderberry extract. Only commercially prepared elderberry products made from the berry extract should be used, because the fresh leaves, flowers, bark, young buds, unripe berries, and roots contain cyanide and can result in cyanide poisoning. Health food stores carry elderberry juice, syrup, and capsules suitable for adults and kids.
  • Ginseng: the herb ginseng, used in Asia for over 2000 years, made headlines recently after a double-blind placebo-controlled study published in the Canadian Medical Association Journal found that a ginseng extract reduced the number of upper respiratory infections by 25% during a four-month period. The study involved 323 adults. The treatment group took two 200 mg capsules of a ginseng extract every day for four months and reported reduced symptoms, duration of infections, and infection recurrence. Although there are several types of ginseng, this study used North American ginseng (Panax quinquifolium). Although, North American ginseng is not as stimulating as Asian ginseng (Panax ginseng), it can cause insomnia and worsen anxiety in some people, especially when it's combined with coffee or tea. Ginseng is not for everyone. Ginseng can have hormonal effects that certain people should be cautious. Some studies suggest that ginseng can boost estrogen levels, so it is on my list of unsafe herbs for women with breast cancer. Ginseng should also be avoided by people taking blood sugar medication or antidepressants known as MAO inhibitors, by children, people with high blood pressure, or by pregnant or nursing women.
  • Astragalus: Unlike ginseng, astragalus does not come with nearly as many caveats. The dried root of astragalus is a popular ingredient in traditional Chinese herbal formulas. It is now used in the United States to strengthen the immune system and prevent colds and flu. Herbalists recommend it as an immune tonic for people who tend to catch colds frequently. Preliminary research has shown astragalus can stimulate immune function in humans.
  • Ginger: A cup of hot ginger tea is invigorating and is a great cold fighter. Ginger contains compounds called sesquiterpenes that have been found to be active against rhinoviruses, the most common group of cold viruses. Ginger is also a diaphoretic, meaning it fights colds by gently raising body temperature and promoting perspiration.
  • Garlic: Garlic is a natural cold remedy that has stood the test of time. Garlic contains a bacteria-fighting compound called allicin, making it helpful for preventing secondary bacterial complications of colds and flu such as pneumonia, sinus infections, and middle ear infections (called otitis media). It has also been used as a natural anti-viral against influenza viruses. Garlic is not for everyone. High doses of garlic can prolong bleeding time, so prolonged intake is not recommended for people taking prescription blood-thinners, moderate to high doses of vitamin E, garlic, gingko, or natural blood-thinners, or 14 days before or after surgery.
  • Eucalyptus Steam Inhalation: Steam inhalation with eucalyptus oil can help to clear crackly coughs, nasal congestion, throat infections, and cold and flu symptoms. It works by thinning the mucus in the respiratory tract, relieving congestion, and increasing local circulation. Eucalyptus oil also has a toxic effect on a variety of respiratory tract bacteria.
  • Zinc Lozenges: Zinc lozenges have been found to reduce the duration and severity of colds. Studies have typically used a dose of at least 13 mg of elemental zinc per lozenge, starting immediately after the onset of cold symptoms. They have also found that lozenges made with zinc gluconate seem to be most effective, and that the lozenges should not contain citric or tartaric acid, sorbitol, or mannitol, because they can decrease the effectiveness. The lozenges were generally taken once every two hours for the duration of cold symptoms. Possible side effects include unpleasant taste, nausea and copper deficiency.
  • Echinacea: Echinacea is a popular herb used to reduce the symptoms and duration of the common cold. Last year, Americans spent an estimated $155 million on Echinacea, according to the Nutrition Business Journal.
  • Vitamin C: Research studies have shown that vitamin C can prevent colds, reduce cold symptoms, and enhance immune function. Caution: Vitamin C in high doses can cause loose stools and gas in some people. Although most will not notice these side effects at 1 g a day when taken in divided doses, it can occur. Some supplements also contain beta-carotene and vitamin E, vitamins that have also been found to fight colds and flu.

CAUTION: Interactions with other medications

Some supplements may interact with other supplements or prescription and over-the-counter medicines. Taking a combination of supplements or using the products with medications (whether prescription or OTC drugs) can cause dangerous interactions which could be life-threatening. Talk to your doctor first.

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