You want to see how quickly you can get your pediatrician to roll his eyes? Just begin a sentence with, "I read on the Internet that..."
If you're going to be researching questions about your children's health online, make sure you cross reference multiple, reputable sites, including the American Academy of Pediatrics. And still ask your doctor. Oh, and buy their book:
The American Academy of Pediatrics Guide to Your Child's Symptoms : The Official, Complete Home Reference, Birth Through Adolescence, by Dr. Steven Shelov.
Then, they'll give you less hassle and more credibility.