Constant head ache. I need to consult?

Hello respected doctors, I am on B.P tablet Met xl 12.5, I constanly feel fatigue low mood, life is not much enjoyable, apart from it, I am facing difficulty to talk and understand/concentrate, I am sleeping for 14- fifteen hours a day still feel drowsy Maybe because I am on nexito10 tab which I take at 9pm , talking difficulties like slur speech eye pain on inner part of eye I feel heavy head, feeling like brain is blocked and it expands or beats like heart And during this eye pain starts and mostly when I am stressed or very much tensed/worried I feel there is a pressure on my brain and eyes, I am unable to remember/recollect things. Do I require a Brain Scan? Whome can help me psychiatrist or neurologist or both I need to consult ?