After my crash about a month ago, I was having headaches every 2-3 days. I knew it was probably from the whiplash in my neck, but I still went to the doctor, after 2 weeks. When my colleagues at work noticed me rubbing my head, I decided it was time to go. They gave me the standard neurological tests and I passed, but I still went for a CAT scan. He said I could have had bleeding in my brain, just be safe. Everything was fine, but I would rather know for sure. I was more of a wreck worrying about the headaches, even though I had no other symptoms and I remembered everything. So, PLEASE get checked out.