I m 21 and Female. I ve been having stomach issues for about 6 months with no real diagnosis. Recently i ve been having strange wave-like feelings in my head that last maybe 3-8 seconds. Its the same feeling you get in your stomach when on a roller coaster or riding a swing, but inside my head. It doesn t hurt or make me dizzy, it s just uncomfortable. Sometimes I also feel kinda shaky, but not really like i m going to pass out. Over the past couple weeks it was happening occasionally and maybe up to 20-30 times during the day. Now it is happening almost constantly. I ve also been experiencing nausea some, especially in the mornings, and throwing up some days after I wake up. I ve gotten headaches/migraines for years, but have had them bad recently also.