Before I tell u to relax....have your dr check it out.
Could be a variety of causes.
since an ear infection in nov last year and onset of t shortly after...I have had that ear fullness in the affected ear since along with jaw pain..neck pain..and headaches.
have been given variety of reasons..
. Tmj involves tensor tympani muscle..can give u this sensation
. Nerve injury?
. Anxiety
I am confident ie Logan and others on this site have also experienced what you describe, that it wont be anything for you to worry about. Go see your dr. Then come back and let me know how you get on Demi x