About a month ago, I stepped wrongly off a curb and fell down, sprained my ankle, and when I got up I was so dizzy, sweating prefusely, and couldn't catch my balance. I felt like passing out. Today, I blew nose, and felt my ears pop, then all of a sudden I got real dizzy, felt like throwing up, and my head was spinning crazy! The worst feeling ever. What could this be? Nothing like this has ever happened to me before in my entire life, and I'm in my mid 30s. Please help!!! I don't have insurance to go to a dr.