Hi and welcome in HCM. I can understand your concern. Usually it is normal to have a cough in a viral situation.It s triggered by mucus draining down the back of the throat. After the common cold is gone the cough is gone too. If the cough persists for a long time that s worse at night, disturbing sleep, and sometimes with wheezing and shortness of breath better to do some other tests as follows: Simple Spirometry Metacholine test if the spirometry is negative Prick test for alergy Chest X ray Sometimes in some patients the allergies appear with dry cough. According to the above results than the pulmonologist or the allergologist will give you some medications that are in inhaler forms and you will feel better. So take care Best wishes Dr.Jolanda Pulmonologist