Hi doctor, I have nasal congestion problem for back 3 years due to that I have to feel difficulties during breathing. I can't proper breathe. And also all time I feel that cough is encountered through my tongue. I consult so many of doctors allopathic as well as homeopathic. Some doctors told me I have nasal polyps as well as allergic problem. I tried so many of homeopathic treatment but nothing help me alot. So could you please suggest some good medicine as well as some good nasal spray to encountered my problem during more difficulties. Thanks.