I live in a constant state of facial pressure, i know where you are coming from. For me, i have a long and unpleasant history with chronic sinus issues. Ive had surgery to correct the problems, however it did not work. Have you discussed this with a doctor? you may be suffering from congestion, which blocks your sinuses and prevents them from draining, leaving your face feeling like its going off like a pressure cooker. I would see a doctor and rule out any allergies or sinus activity.
Hang in there,
Maz XX