 [ Symptoms ] why can not i beathe at full lung capacity and my mucus is extremely thick  i feel as if there is something blocking my air way at tmes and get a drowning sensation especially in the mornings when i wake [ Disease ] i am sorry to hear you are going through this it is always scary when we feel as if we can not breathe i would recommend you see a doctor about this you did not say what your age is but many conditions can cause the symptoms you describe    and some of them are more common at older ages only a physical examination by a health care professional can help get to the cause of this and treat it appropriately i hope you are able to see a doctor soon and get to the bottom of this unpleasant situation