About A Month Ago I Smoked Weed For The Fourth

About a month ago I smoked weed for the fourth time it was way more then I had ever had before and my friend and I both had major anxiety attacks after smoking. For a few days after I still felt extremely high and disconnected. It has been about three weeks and I still don't feel right. I am constantly dizzy and feel disconnected. During the course of the day I have times where I feel pretty normal and others where I don't. I am starting to get very worried about this and don't understand why I don't feel better yet? My friend also feels the same way.