The initial symptoms of mild asthma in children are sneezing, runny nose and itchy nose, after which there may be irritating cough as well as white foamy sputum, and children with typical symptoms may experience wheezing, shortness of breath and chest tightness. Children with mild asthma may experience respiratory allergies, including sneezing, runny nose, itchy nose and other symptoms within 1-2 days of onset of the disease, and a small number of children have symptoms similar to laryngitis. Thereafter, as the disease progresses, children will develop an irritating cough that becomes progressively more pronounced, and cough up sputum that appears white and mucus-like, which is a typical symptom of asthma. In addition, some children may also experience pallor, irritability, cold sweats, cyanosis, and swelling during mild asthma attacks. If your child has any of these symptoms, it is recommended that he or she seek medical attention in a timely manner and be treated under the supervision of a doctor.