idk what to do!!

Lately I’ve been having a lot of pregnancy symptoms, and I took a test and it came back negative when I looked on the internet it said it could be to early to test because I haven’t missed me period yet. I do not feel pregnant. However, I have been having nausea at certain smells, headaches, food aversions, I’ve thrown up three times, I’m constantly tired. I have also been on birth control for over a year now but I did miss a couple of pills I am just really confused!! I’m also freaking out because I’ve been drinking soda and I got kind of drunk last weekend!! I know both of those are very unhealthy for a baby if I am pregnant!! If anyone could give me advice or let me know what is going on that would be great!!