Your child has had a runny nose and cough for several weeks now. You realize that this is her third or fourth cold this winter. In fact, she never really seems to get completely well in between the colds. You are growing weary of the constant nose wiping and doses of cold medicine during the night just so she, and you, can sleep. When will these colds end? Or could it be allergies? How do you tell? Here is some information to walk you through the confusing world of allergies and help you prevent and treat these bothersome symptoms. One quick note before we embark on this extensive discussion. This section deals mainly with NASAL ALLERGIES - symptoms that involve the nose, eyes, throat, ears and chest. This section does not discuss food allergies or skin allergies. It also does not deal specifically with asthma, although it does apply to allergy prevention issues for asthma. You may click on each of these words for more information on these other topics.