 [ Symptoms ] mri showed bilateral mastoiditis but do not have mastoiditis pressure and headaches 247 any other mastoid diseases  fatique fullness of ears crawling sensation tinitus pressure feeling radiates to temples esp when laying down ct of sinuse slight wall thickening openings open some larynigitis at times just over a year now neck and head ct ok had 3 cervical joints fused 11 years ago  arthritic spurs [ Disease ] i am confused if the mri showed bilateral mastoiditis why would you believe that is not the cause of your symptoms mastoiditis is an infection of the skull bone that lies just behind the ear it normally is treated with oral antibiotics because it is a bacterial infection ear drops also are frequently used if you have any questions about your diagnosis or treatment you should call your health care provider is office for a call back or to make an appointment to see your doctor best wishes to you