What Could Be Causing Constant Front And Back Headaches With Sensations Like Ticking, Squeezing, Or Bursting, Along With Drooling During Sleep?

Hi Doc I have constant headache in front of my head and at back. Some time it feels like clock tiktock in the head, sometimes like someone is squeezing m brain, sometimes like it burst out. Please help me why these problem are arising. I also drool in sleep.