Hello Kelly, I am so sorry that your husband is going thru this. I am now 2 years out. The mucus gets bad I remember non stop coughing and using 2 large tissue boxes a day. I now clean and suction a couple of times a day but I live more normal as I was before. But keeping him taking in calories is important and keeping him hydrated. I pushed while I had pain medication to swallow - get a home nurse if you can to stop in and check on him daily- keep checking his oxygen levels- he needs to walk around the house to get up and he may need nausea medication and dry mouth spray. Some people have delay radiation side effects- so if he’s done with radiation and 3 months - 4 months he’s not feeling to hot it’s normal but keep taking him in to his doctors and checking his oxygen.