Hello I am Dr Ravinder Sharma. On the basis of information provided it appears that you have tympanosclerosis
of the ear drum. As you have told that you have headache and pain in ear. Possibly a disease in sinuses or nose leads to Eustachian tube dysfunction
which leads to otitis media
. This pattern of relapse and remission over years can lead to weakening of drum and development of tympanosclerotic patch over ear drum.
If left unattended it may lead to hearing loss
or a perforation in ear drum. It is appropriate to establish the cause so that the progression of tympanosclerosis can be taken care of. I would advise you a Sinus X - ray, pure tone audiometry and a tympanogram to decide further course of action. I hope this answers your concerns. Feel free to contact me if you want further information about it
Professor ENT & Head and Neck Surgery