Signs and symptoms that appear are hypoventilation, dyspnea, wheezing, dizziness, headache, nausea, increased shortness of breath, anxiety, diaphoresis, and fatigue. Hyperventilation is one of the early symptoms of asthma. Then severe shortness of breath with prolonged expiration accompanied by wheezing (at the apex and hilus). The main symptoms that often appear are dyspnea, coughing and wheezing.
