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Children's Vitamins and Colds

Pediatrics Expert Advice from Shari Nethersole, M.D.

Q: My four-year-old son seems to get a lot of colds. He is already on his third for this school year! Would giving him a children's vitamin help boost his immune system?

A: Believe it or not, the frequency of your son's colds is pretty typical. The average preschooler gets 6 to 10 viral illnesses per year, and more of them occur in the winter than in the summer. Thus, one per month during the winter is not abnormal.

Some things can affect the number of colds that kids get. Kids who are around other children (school, day care, siblings) get more colds than those who aren't. This doesn't mean we should stop sending our kids to school and day care, but there are some things we can do to try to limit their exposure to germs.

Colds are spread through contact with nasal and mouth secretions. Have your child wash his hands regularly, as that is the best way to prevent the spread of these germs. He should wash his hands before every meal, and when coming in from playing outdoors.

Children who are exposed to cigarette smoke also get more frequent colds. If there are smokers in your household, they should always smoke outside of the house (better yet, they should quit). It is also important that your son get enough sleep each night. Studies suggest that sleep deprivation increases susceptibility to colds.

People used to think that taking large doses of vitamin C could help prevent colds, but studies have shown otherwise. If your child has unusual dietary habits and could be lacking certain vitamins, then it would be reasonable to give him a supplement, but there is no known benefit to giving a healthy child extra doses of vitamins.

Recently, there have been claims that certain herbs may help prevent colds, but since these are still inconclusive, I don't recommend this approach.

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Shari Nethersole is a physician at Children's Hospital, Boston, and an instructor in Pediatrics at Harvard Medical School. She graduated from Yale University and Harvard Medical School, and did her internship and residency at Children's Hospital, Boston. As a pediatrician, she tries to work with parents to identify and address their concerns.

Please note: This "Expert Advice" area of FamilyEducation.com should be used for general information purposes only. Advice given here is not intended to provide a basis for action in particular circumstances without consideration by a competent professional. Before using this Expert Advice area, please review our General and Medical Disclaimers.


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