Common asthma symptoms are not present People with CVA do not generally have other common symptoms of asthma, such as wheezing, shortness of breath and chest tightness. Children are commonly diagnosed with CVA CVA is especially common in young children, and it often progresses into full-blown asthma down the line. CVA is a dry cough The cough lasts for more than 6-8 weeks, can occur any time of day (night coughing that wakes you is typically CVA), and worsens during exercise. ... Read More