Re: Please help, im at my wits end...
I'm so sorry you are feeling so distressed. Yes, he has had a difficult time. Chronic coughing, coughing spells, etc. can exhaust someone quickly, then they feel so lousey that their nutrition suffers. Anxiety and running on 'natural adrenalin' as well as severe coughing spell can bring on sweats, shaking, etc.
You did not share with us some very important information:
Is he being treated by an pulmonologist or your GP?
Is he taking any medications for his lungs - inhalers, oral steroids?
Who ordered the CT scan? Why? Did he see the doctor personally?
Is he on oxygen at home?
You have some options here:
Call the doctor now...even if it is one covering for his regular doctor.
Go to the Emergency room of your local hospital.
We can't diagnose here as we are not medical professionals. A COPD exacerbation (flare-up) has many of the symtoms you have described. Many pulmonologists will have the patient have steroids (prednisone) and an antibiotic ready at home or a prescription available for serious exacerbations.
You are right to be very concerned and I hear your worry. Be proactive for both of you! If in any doubt, please take him to the ER - don't wait till Monday.