Head heaviness may be sometimes associated with Cervical spondylosis.. Bit if it has been persistent over such a long time, you should get evaluated for ruling out any other possibility of headache and loss of hearing originating from the brain.
Next Steps
It would be better to get evaluated by a neurologist and/or ENT surgeron and get MRI of Brain of they advice..
Health Tips
You may continue treatment which you might be taking for cervical pain..