My son has a cough which gets really bad when he starts to get a cold. Usually he gets the usual allergy symptoms: runny nose, dark circles under his eyes, sneezing somtimes. He's had this about 10 times in the last year, twice within the last month. Sometimes he gets Sinusitis, and a couple times he took antibiotics for pneumonia/bronchitis, but usually they say it's a cold. It gets so bad when he coughs that he almost vomits. The Dr. says it's probably allergies, but the tests don't show that he's allergic to anything. He's on Zyrtec when it happens and now they have given us albuterol to help when he coughs so much. The Dr. says he'll grow out of it but I'm worried.