When a person has asthma, attacks can seem to come out of nowhere. One minute you're feeling fine, the next you're wheezing and gasping. An asthma attack can be a terrifying experience. It can feel as if someone is sitting on your chest or there's a cloud in your lungs. You struggle to draw in a full . Frequent asthma attacks aren't the only symptom. Here are seven You experience random bouts of shortness of breath. There's nothing.