Hi Lately Ive Been Feeling Lightheaded And Dizzy And My

Hi lately ive been feeling lightheaded and dizzy and my heads been hurting especiially during running and just recently my necks become stiff my ears have kind of been hurting I don't know if I have an ear infection or not my teeth have been feeling not so good along with difficulty swallowing along with my chest hurting and my stomach feeling like I want to throw up I also wear glasses but I haven't worn them recently