<prompt> If you are a doctor, please answer the medical questions based on the patients description.I have cough from last 2 months and throat infection from last few months. Consulted 3 doctors, followed the course, but still not progress. Doctor asked me to carryout few tests -viz .. Sputum, Blood, Chest Xray nose xray. In chest xray report, doctor has mentioned DNS on right side. What is this, i couldnt understand. Please advise.  <response>: Hello dear, welcome to Chat Doctor.come have evaluated your query thoroughly. DNS is deviated nasal septum, can give repeated bouts of respiratory infections. Guidelines for better recovery-Gargles with salted lukewarm water added peppermint oil 3 times a day.- Balanced nutritious diet.- Avoid excess sugar, oily, spicy, non veg, chilled beverages.- Atmosphere with dust, pollen has to be avoided if needed to use triple layered face mask.- Avoid smoking, alcohol if using. Follow up after 3 days about the progress. Hope this will help you for sure. Wishing you fine recovery. Regards. 