Hello I Suffer From Pinchness On Top Of Head Behind

hello i suffer from pinchness on top of head behind head and slight pressure. sometimes head achs and funny feeling on far head and eyes.do you know what it is causing this i had this for ten months now its a stuborn thing. also behind my ear hurts the most. i do cough of mucus and take mucus pills every four hours. thanks for your time and hope you have a great day.