Seasonal allergies, aka hay fever, may strike your child for the first time this spring if he's between the ages of 2 and 5 (unlike food allergies, seasonal allergies typically don't develop in infants). So how do you know it's not just another bug he picked up at preschool? Watch for these seven signs. If your child has several, he may need to be evaluated by an allergist, says Princess Ogbogu, M.D., assistant professor of medicine and pediatrics who specializes in allergy and immunology at the Ohio State University Medical Center in Columbus, Ohio.
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