Unexplained Headache. Get some relief.

Hi Doctor, I am going through a new headache since yesterday. I feel pressure like pain in the   left side of the top of my head, particularly towards the front, but not the temple. Sometimes it radiates to the ears and the ears feel closed by pressure, sometimes it radiates to the nose bone. It feels uneasy and I can't rest. The pain is as if something is being pushed downwards. There is no bulge or swelling, just a persistent weird sensation in the area. Two days back, twice, I felt similar pressure moving down to the ears, and then ringing started in the ears for a few seconds, but it was just a few seconds episode, prior to getting this persistent headache. Please help with what it can be. I am applying an ice pack, and am drinking enough water to get some relief. Thank You