Suggest Remedy For Blocked Eustachian Tubes

i have had blocked eustachian tubes for 6 months now, following extreme bronchitis whic i had 6 months ago, and which lasted 2 months during which time i had 3 lots of antibiotcs. the bronchitis cleared but i still have the blocked eustachian tubes, my doctor has given me 2 lots of steroid based sprays to try to clear the eustachian tubes, but i still have the blocked eustachian tubes, i am 33 years old, any advice please doctor? I am not usually ill and have no major diseases that i know of, i am 11 stone in weight.