Ringing in the ears is caused by a number of things, but COPD is not one of them. I don't think sleep apnea is either. As for meds, look at the side effects information included with the med or look them up on line. It's certainly possible that ringing in the ears is one. It's also quite possible that the ear issues are the result of something totally unrelated. An appointment with a good ENT is probably a good idea.

Hi i'm with Beverly Martin on this it is Tinnitus, try playing music with ear phones on it helps me hugs

Tinnitus l have going on 7yrs.Was told to get hearing aids but no help

Yes , I do sometimes more than others. I’ve basically learnt to live with it,
It’s related to medication and also injury. I have injuries in my jaw. So I have the buzz mostly all the time. But more intense with certain meds.

I have had tinnitus, and found out myself by trying to push it to the back of my mind, it helped me immensely. Ignoring it now, concentrating on something else, good luck