I Was Injured At Work...have Multiply Fractures In The Sacrum.

i was injured at work...have multiply fractures in the sacrum. accident happened aug 29th. why am i stillhave so much pain? the pain will be in the right hip and leg one day, then it will be in the left. started having lot of pain and burning sensation in my heels, so bad it wakes me up at night. also charlie horse type camps that show up in my hips, buttocks and legs. how lomg does all these stmtoms go on? thank you for any advice