<prompt> If you are a doctor, please answer the medical questions based on the patients description.i recently was treated for sinusitis and an ear infection with fluid behind my right ear. I was given a round of Amoxycillin and Augmentin and neither helped. I have just finished my last day of a Z-Pack and still have a tender knot that comes up after eating. Also, when I first wake up in the morning, the back of my ear is swollen...any suggestions.  <response>: It is the condition of very much concern should not be neglected. To diagnose such types of conditions correctly it is important to have a look at your lesion so that perfect visual impression can be made diagnosis can be given. As I am unable to visualize it the exact comment about it can not be given. ButConsidering the symptoms the course of the antibiotics you have it is must that you should consult a qualified surgeon who after looking at the swelling palpating it can give the exact diagnosis. You may need a minor surgical procedure for it too. As there are the chances such of infections in the area of face ear to spread to meninges coverings of the brain brain causing serious complications such as meningitis encephalitis due utmost care should be taken to avoid the further consequences. 