<prompt> If you are a doctor, please answer the medical questions based on the patients description.I had a bad cold on and off for a month, part of this was a very tickly cough which remained throughout this period. The cold and tickly cough have now gone but i often have the feeling that one side of my throat is caving in. This can happen at any time but often when beginning to talksing or when i turn my head suddenly. I am Female, 27yrs, very fit and in good health.  <response>: Hi and welcome in Chat Doctor. I can understand your concern. Usually it is normal to have a cough in a viral situation.Its triggered by mucus Chat Doctor. After the common cold is gone the cough is gone too. If the cough persists for a long time thats worse at night, disturbing sleep, and sometimes with wheezing and shortness of breath better to do some other tests as follows:Simple SpirometryMetacholine test if the spirometry is negativePrick test for alergyChest X sometimes in some patients the allergies appear with 