Effects of Zinc on Cold Sores
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Zinc Reduces Cold Sore Duration
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Cold sores will normally clear up naturally in between 7 and 10 days, but zinc can reduce that duration, depending on the individual. Apply topically in the form of the over-the-counter zinc oxide or take a supplement.
Why Zinc Works
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Zinc is known to strengthen immunity in the body and therefore helps your body fight the cold sore. Cold sores are a sign of low immunity, as they are a flare-up of a virus that is always in your body. Zinc is also an antioxidant that helps build your body's defenses.
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Over-the-Counter Zinc Treatment
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Novitra is a brand of natural zinc oxide topical treatment that claims to heal cold sores 76 percent faster than they would heal naturally. It absorbs easily and is a good choice if you're looking for a natural treatment. It should be applied to clean skin every 2 to 3 hours until the cold sore has healed. It relieves the tingling, redness, itchiness and ugliness that goes along with cold sores. It should not be used on children under 2 years old. You can also take any well-recognized brand of supplement, such as Whole Foods or Earthfare. Make sure to take no more than 15 mg of zinc at a time, and no more than 60 mg over the span of a week. Zinc can cause itching and redness for some users.
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