I am a healthy active 64 yr old. After having 2 weeks of humming in head, a doctor said I had fluid in ears- take NSAIDS 3x s a day for 3 days. No cold symptoms, no allergies. Humming went away for 2 days and came back worse than ever. Went on for another month when a doctor said the eardrums were retracted. What could cause fluid in the first place and then what could cause eardrums to retract? lso, I have historically low BP, but during this time it has risen acutely and has been fluctuating-mornings lower, evenings higher.-Joan