I have undergone two nasal operations before 2 years to remove polyp. After that some times nasal block came. Now using Wasing nasal with packing soda in morning and evening. My ct scan shows that no polyps inside the nose and only a sinus is there In one nose. But often nasal block came and some times it is heavy. Consulted so many ent doctors every Dr told there is no problem and it is only a post operation process. Kindly advise what to do and where is to be consulted. When nasal block came I have suffering dry mouth. What is the remedy sir