I get chest congestion very frequently.I have consulted the doctor and they advised me it is due to dust allery.I do take all the preventive steps inorder to ensure that I am not exposed to dust easily.But still cant avoid it at times.I also have sinas issue when I wake up in the morning or as soon as put i hand into water. Offlate I am having this wierd issue which is vommiting my food.This often happens as I get coughing.Not I get this mukus like sensation near my chest not sure How to control this now as everyone around me are very concerned and tensed.