I often wake up with a large,
swollen eyelid. This has happened for over a month now. It alternates between both the left and right eye, top or bottom eyelid, and sometimes even both. There is no pain, and the swelling is normally reduced after using a cold compress... I have not noticed any patterns as to when the swelling occurs, and went weeks without makeup to see if that would help (if it was an allergic reaction.) Nothing seems to be effective, what could be the problem?