Had A Car Accident 10 Days Ago. I Was The

Had a car accident 10 days ago.
I was the car stuck in the middle.... I got hit twice. Front and back. I was in passengers seat, my husband was the driver and my 2 kids ( 4y and 6y old) were in the back safely in their's car seat. Anyway, I had horrible pain in my neck and mid and lower back immediately and they rushed me to the hospital by ambulance. After 3 hours and a couple of x rays they said it was a pull muscle and send me home with vicodin, ibuprofen and muscle relax medication. The pain keeps increasing not only in my neck but my shoulders and mid back as well. Few days ago my lower back and pelvis area starts to hurting so bad to the point I couldn't stand anymore since the pain is going straight to my legs and it becomes weak. Yesterday had this pelvic-back-mid and lower back- stiff neck all day and all night. I have been 34hours Awake.not only 5 seconds of nap. Nothing! And Im not sleepy. However just realize my temperature is 101.5 (oral).
What is happening to me?