I have been constantly suffering from throat clearing/tightnes and chest tightness exactly on middile of chest.i was unable to talk long periods.if i talk long periods throat get tightens and need to clear throat.no heart burn.but sometime i got cough or littile barking sound while exhale. Actually this issues was started with cough and fever 7 months back.after that i was attacked with chicken pox. All are cured.i have taken 2 months for anti reflux tablets like pantoprozole and somopraz capsules in 5 months back.but the throat clearance and tightness got not cleared.i have done ct scan which shows some swelling in larnyx area in 7 month back.can you please guide me the proper reason.i dont have habbits of smoking alochol and teas/coffee.chesttightness/throat tightness increase with upper back pain sometimes.