Suggest Treatment For Hot Sweats, Cold Chills, Runny Nose And Drainage

I have been sick for almost a week. My symptoms are not being able to stand for very long, I change back and fourth from hot to cold semi-quickly, hot sweats, cold chills, runny nose and drainage, pain in my neck, pain in my back, sore throat, coughing, little to no energy, difficulty staying awake during the day, difficulty staying asleep at night, difficulty swallowing, and semi-high skin sensitivity. What could I possibly have? Should I make a doctors appointment for this? What could I try doing to help get rid of what I have?