Get proper care by understanding these respiratory diseases

Whats going on in my lungs? I hear this question virtually every day. When you or your child coughs, wheezes or breathes fast, you wonder, Is it pneumonia or bronchitis? Should I go to the doctor? Here’s a tool for distinguishing between four common respiratory infections.

Bill Sears, M.D., is a pediatrician and the author of more than 30 books. Go to askdrsears.com for more information.