People use oral zinc to help treat colds, but it can decrease the effectiveness of certain drugs and cause side effects. Zinc that's used topically is known as zinc oxide. Zinc oxide cream, ointment or paste is applied to the skin to prevent conditions such as diaper rash and sunburn. Oral zinc supplements might benefit people with low levels of zinc. Taken soon after cold symptoms appear, zinc might also shorten the length of a cold. When oral zinc is taken long term and in high doses it can cause copper deficiency.
People with low copper levels might experience neurological issues, such as numbness and weakness in the arms and legs. The National Institutes of Health considers 40 mg of zinc a day to be the upper limit dose for adults and 4 mg of zinc a day for infants under age 6 months. Don't use intranasal zinc. This form of zinc has been linked with the loss of the sense of smell. There is a problem with information submitted for this request.
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If we combine this information with your PHI, we will treat all of that information as PHI, and will only use or disclose that information as set forth in our notice of privacy practices. Zinc is one of the most widely studied forms of acne treatment. Zinc is needed for numerous bodily functions and important for a strong immune system, and heart health. Here are the 10 best zinc supplements of Learn more about the ways you can treat a stuffy nose, or nasal congestion, at home, including tips on decongestants, humidifiers, and steam remedies.
Steam inhalers are used as personal saunas for skin care or supporting respiratory health. We created a list of steam inhalers to suit your needs. You may have heard that you can sweat out a cold, but is this an effective remedy? Learn more here. Typically, postnasal drip can be alleviated at home. Try these remedies and OTC products to relieve your symptoms.
Salt water gargles are touted as an effective and easy home remedy for a sore throat. We explain why, plus additional benefits. Health Conditions Discover Plan Connect. Written by David Mills — Updated on June 4, Share on Pinterest. What the researchers found.
Are the claims valid? Read this next. Benefits and More. Zinc is an essential nutrient that we need to keep our immune systems running at their optimal level. If you are low in zinc, or you feel a cold coming on, taking in some extra zinc may be a good solution, but it's best to keep this short term.
Checking in with your doctor or nutritionist can help you determine how to balance your daily zinc needs and find the best way to support your immune system. World globe An icon of the world globe, indicating different international options. Get the Insider App. Click here to learn more. A leading-edge research firm focused on digital transformation. Women's Health. Primary Care. Mental Health. More Button Icon Circle with three vertical dots.
It indicates a way to see more nav menu items inside the site menu by triggering the side menu to open and close. Madeline Kennedy. Zinc helps your immune system by aiding in the production of immune cells, like T-cells and white blood cells, that help your body fight off diseases. Research has shown that taking 75mg of zinc at the onset of a cold can decrease the time you are sick.
But a regular dose of zinc is mg, and taking much more than that consistently can actually lead to hindered immune function This article was reviewed by Jason R. Visit Insider's Health Reference library for more advice. Madeline Kennedy is a health writer for Insider covering a wide range of topics including reproductive and sexual health, mental health, nutrition, and infectious disease.
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